diff --git a/docs/development/testing/call-graph-testing.md b/docs/development/testing/call-graph-testing.md
index ef73c0d7a..7be5db873 100644
--- a/docs/development/testing/call-graph-testing.md
+++ b/docs/development/testing/call-graph-testing.md
@@ -5,7 +5,7 @@ graph test.
 
 ## Adding a call graph test
 
-1. Create a new file with the extension `.sdstest` in the `tests/resources/call graph` directory or any subdirectory.
+1. Create a new file with the extension `.sdsdev` in the `tests/resources/call graph` directory or any subdirectory.
    Give the file a descriptive name, since the file name becomes part of the test name.
 
     !!! tip "Skipping a test"
diff --git a/docs/development/testing/formatting-testing.md b/docs/development/testing/formatting-testing.md
index 5d1d066c7..22c97dab0 100644
--- a/docs/development/testing/formatting-testing.md
+++ b/docs/development/testing/formatting-testing.md
@@ -5,7 +5,7 @@ formatting test.
 
 ## Adding a formatting test
 
-1. Create a new file with the extension `.sdstest` in the `tests/resources/formatting` directory or any subdirectory.
+1. Create a new file with the extension `.sdsdev` in the `tests/resources/formatting` directory or any subdirectory.
    Give the file a descriptive name, since the file name becomes part of the test name.
 
     !!! tip "Skipping a test"
diff --git a/docs/development/testing/generation-testing.md b/docs/development/testing/generation-testing.md
index 848e670c4..61f85cb9a 100644
--- a/docs/development/testing/generation-testing.md
+++ b/docs/development/testing/generation-testing.md
@@ -17,7 +17,7 @@ document explains how to add a new generation test.
 
         If you want to skip a test, add the prefix `skip-` to the folder name.
 
-2. Add files with the extension `.sdstest`, `.sdspipe`, or `.sdsstub` **directly inside the folder**. All files in a
+2. Add files with the extension `.sdsdev`, `.sds`, or `.sdsstub` **directly inside the folder**. All files in a
    folder will be loaded into the same workspace, so they can reference each other. Files in different folders are
    loaded into different workspaces, so they cannot reference each other. Generation will be triggered for all files in
    the folder.
@@ -48,7 +48,7 @@ To quickly update the expected output after changes to the code generator, run `
 
         If you want to skip a test, add the prefix `skip-` to the folder name.
 
-2. Add files with the extension `.sdstest`, `.sdspipe`, or `.sdsstub` **directly inside the folder**. All files in a
+2. Add files with the extension `.sdsdev`, `.sds`, or `.sdsstub` **directly inside the folder**. All files in a
    folder will be loaded into the same workspace, so they can reference each other. Files in different folders are
    loaded into different workspaces, so they cannot reference each other. Generation will be triggered for all files in
    the folder.
diff --git a/docs/development/testing/grammar-testing.md b/docs/development/testing/grammar-testing.md
index 823182aa2..e5a7607a0 100644
--- a/docs/development/testing/grammar-testing.md
+++ b/docs/development/testing/grammar-testing.md
@@ -5,7 +5,7 @@ test.
 
 ## Adding a grammar test
 
-1. Create a new file with the extension `.sdstest` in the `tests/resources/grammar` directory or any subdirectory. Give
+1. Create a new file with the extension `.sdsdev` in the `tests/resources/grammar` directory or any subdirectory. Give
    the file a descriptive name, since the file name becomes part of the test name.
 
     !!! note "Naming convention"
diff --git a/docs/development/testing/partial-evaluation-testing.md b/docs/development/testing/partial-evaluation-testing.md
index b4a43e1f3..edf1efdf4 100644
--- a/docs/development/testing/partial-evaluation-testing.md
+++ b/docs/development/testing/partial-evaluation-testing.md
@@ -12,7 +12,7 @@ partial evaluation test.
 
         If you want to skip a test, add the prefix `skip-` to the folder name.
 
-2. Add files with the extension `.sdstest` **directly inside the folder**. All files in a folder will be loaded into the
+2. Add files with the extension `.sdsdev` **directly inside the folder**. All files in a folder will be loaded into the
    same workspace, so they can reference each other. Files in different folders are loaded into different workspaces, so
    they cannot reference each other.
 3. Add the Safe-DS code that you want to test to the files.
diff --git a/docs/development/testing/scoping-testing.md b/docs/development/testing/scoping-testing.md
index 223b82d8c..b33890276 100644
--- a/docs/development/testing/scoping-testing.md
+++ b/docs/development/testing/scoping-testing.md
@@ -12,7 +12,7 @@ test.
 
         If you want to skip a test, add the prefix `skip-` to the folder name.
 
-2. Add files with the extension `.sdstest` **directly inside
+2. Add files with the extension `.sdsdev` **directly inside
    the folder**. All files in a folder will be loaded into the same workspace, so they can
    reference each other. Files in different folders are loaded into different workspaces, so they cannot reference each other.
 3. Add the Safe-DS code that you want to test to the files.
diff --git a/docs/development/testing/typing-testing.md b/docs/development/testing/typing-testing.md
index 82af528f5..dbe150b42 100644
--- a/docs/development/testing/typing-testing.md
+++ b/docs/development/testing/typing-testing.md
@@ -12,7 +12,7 @@ test.
 
         If you want to skip a test, add the prefix `skip-` to the folder name.
 
-2. Add files with the extension `.sdstest` **directly inside the folder**. All files in a folder will be loaded into the
+2. Add files with the extension `.sdsdev` **directly inside the folder**. All files in a folder will be loaded into the
    same workspace, so they can reference each other. Files in different folders are loaded into different workspaces, so
    they cannot reference each other.
 3. Add the Safe-DS code that you want to test to the files.
diff --git a/docs/development/testing/validation-testing.md b/docs/development/testing/validation-testing.md
index 280865350..349358eb9 100644
--- a/docs/development/testing/validation-testing.md
+++ b/docs/development/testing/validation-testing.md
@@ -12,7 +12,7 @@ validation test.
 
         If you want to skip a test, add the prefix `skip-` to the folder name.
 
-2. Add files with the extension `.sdstest`, `.sdspipe`, or `.sdsstub` **directly inside the folder**. All files in a
+2. Add files with the extension `.sdsdev`, `.sds`, or `.sdsstub` **directly inside the folder**. All files in a
    folder will be loaded into the same workspace, so they can reference each other. Files in different folders are
    loaded into different workspaces, so they cannot reference each other.
 3. Add the Safe-DS code that you want to test to the files.
diff --git a/docs/language/README.md b/docs/language/README.md
index 692c0bd27..d4676b4a1 100644
--- a/docs/language/README.md
+++ b/docs/language/README.md
@@ -2,9 +2,9 @@
 
 The Safe-DS DSL is split into two main parts:
 
-- The _[pipeline language][pipeline-language]_ is used to solve specific data science problems. Unless you want to add functionality to Safe-DS, this sublanguage is all you need to learn. To use the pipeline language, create a file with the extension `.sdspipe`.
+- The _[pipeline language][pipeline-language]_ is used to solve specific data science problems. Unless you want to add functionality to Safe-DS, this sublanguage is all you need to learn. To use the pipeline language, create a file with the extension `.sds`.
 - The _[stub language][stub-language]_ is used to integrate external code written in Python into Safe-DS, so it can be used in the [pipeline language][pipeline-language]. The main purpose of this sublanguage is to define the [Safe-DS Standard Library (stdlib)][stdlib]. To use the stub language, create a file with the extension `.sdsstub`.
 
 [pipeline-language]: pipeline-language/README.md
 [stub-language]: stub-language/README.md
-[stdlib]: https://github.com/lars-reimann/Safe-DS/blob/main/DSL/com.larsreimann.safeds/src/main/resources/stdlib
+[stdlib]: https://github.com/Safe-DS/DSL/blob/main/packages/safe-ds-lang/src/resources/builtins
diff --git a/docs/language/pipeline-language/README.md b/docs/language/pipeline-language/README.md
index 1a672233c..46cac1b72 100644
--- a/docs/language/pipeline-language/README.md
+++ b/docs/language/pipeline-language/README.md
@@ -10,7 +10,7 @@ The pipeline language is the part of the Safe-DS DSL that is designed to solve s
 - [Expressions][expressions] are computations that produce some value.
 - [Comments][comments] document the code.
 
-Files that use the pipeline language must have the extension `.sdspipe`.
+Files that use the pipeline language must have the extension `.sds`.
 
 [packages]: ../common/packages.md
 [imports]: ../common/imports.md
diff --git a/docs/lexer/safe_ds_lexer/_safe_ds_lexer.py b/docs/lexer/safe_ds_lexer/_safe_ds_lexer.py
index bdb501665..06aeeb5fe 100644
--- a/docs/lexer/safe_ds_lexer/_safe_ds_lexer.py
+++ b/docs/lexer/safe_ds_lexer/_safe_ds_lexer.py
@@ -81,7 +81,7 @@ class SafeDsLexer(RegexLexer):
         "SDS",
         "sds",
     ]
-    filenames = ["*.sdspipe", "*.sdsstub", "*.sdstest"]
+    filenames = ["*.sds", "*.sdsstub", "*.sdsdev"]
 
     tokens = {
         "root": [
diff --git a/packages/safe-ds-cli/tests/cli/main.test.ts b/packages/safe-ds-cli/tests/cli/main.test.ts
index f21fcdc36..e84048c89 100644
--- a/packages/safe-ds-cli/tests/cli/main.test.ts
+++ b/packages/safe-ds-cli/tests/cli/main.test.ts
@@ -63,25 +63,25 @@ describe('safe-ds', () => {
         });
 
         it('should show not show errors in correct files', () => {
-            const process = spawnCheckProcess([], ['correct.sdstest']);
+            const process = spawnCheckProcess([], ['correct.sdsdev']);
             expect(process.stdout.toString()).toContain('No errors found.');
             expect(process.status).toBe(ExitCode.Success);
         });
 
         it('should handle references to builtins', () => {
-            const process = spawnCheckProcess([], ['references builtins.sdstest']);
+            const process = spawnCheckProcess([], ['references builtins.sdsdev']);
             expect(process.stdout.toString()).toContain('No errors found.');
             expect(process.status).toBe(ExitCode.Success);
         });
 
         it('should treat warnings as errors in strict mode', () => {
-            const process = spawnCheckProcess(['-s'], ['contains warnings.sdstest']);
+            const process = spawnCheckProcess(['-s'], ['contains warnings.sdsdev']);
             expect(process.stderr.toString()).toMatch(/Found \d+ errors?\./u);
             expect(process.status).toBe(ExitCode.FileHasErrors);
         });
 
         it('should show an error if the file does not exist', () => {
-            const process = spawnCheckProcess([], ['missing.sdstest']);
+            const process = spawnCheckProcess([], ['missing.sdsdev']);
             expect(process.stderr.toString()).toMatch(/Path .* does not exist\./u);
             expect(process.status).toBe(ExitCode.MissingPath);
         });
@@ -124,19 +124,19 @@ describe('safe-ds', () => {
         });
 
         it('should generate Markdown documentation', () => {
-            const process = spawnDocumentProcess([], ['correct.sdstest']);
+            const process = spawnDocumentProcess([], ['correct.sdsdev']);
             expect(process.stdout.toString()).toContain('Markdown documentation generated successfully.');
             expect(process.status).toBe(ExitCode.Success);
         });
 
         it('should generate Markdown documentation (Safe-DS code references builtins)', () => {
-            const process = spawnDocumentProcess([], ['references builtins.sdstest']);
+            const process = spawnDocumentProcess([], ['references builtins.sdsdev']);
             expect(process.stdout.toString()).toContain('Markdown documentation generated successfully.');
             expect(process.status).toBe(ExitCode.Success);
         });
 
         it('should show an error if the file does not exist', () => {
-            const process = spawnDocumentProcess([], ['missing.sdstest']);
+            const process = spawnDocumentProcess([], ['missing.sdsdev']);
             expect(process.stderr.toString()).toMatch(/Path .* does not exist./u);
             expect(process.status).toBe(ExitCode.MissingPath);
         });
@@ -184,13 +184,13 @@ describe('safe-ds', () => {
         });
 
         it('should show not show errors in correct files', () => {
-            const process = spawnFormatProcess([], ['correct.sdstest']);
+            const process = spawnFormatProcess([], ['correct.sdsdev']);
             expect(process.stdout.toString()).toContain('Safe-DS code formatted successfully.');
             expect(process.status).toBe(ExitCode.Success);
         });
 
         it('should show an error if the file does not exist', () => {
-            const process = spawnFormatProcess([], ['missing.sdstest']);
+            const process = spawnFormatProcess([], ['missing.sdsdev']);
             expect(process.stderr.toString()).toMatch(/Path .* does not exist\./u);
             expect(process.status).toBe(ExitCode.MissingPath);
         });
@@ -233,19 +233,19 @@ describe('safe-ds', () => {
         });
 
         it('should generate Python code', () => {
-            const process = spawnGenerateProcess([], ['correct.sdstest']);
+            const process = spawnGenerateProcess([], ['correct.sdsdev']);
             expect(process.stdout.toString()).toContain('Python code generated successfully.');
             expect(process.status).toBe(ExitCode.Success);
         });
 
         it('should generate Python code (Safe-DS code references builtins)', () => {
-            const process = spawnGenerateProcess([], ['references builtins.sdstest']);
+            const process = spawnGenerateProcess([], ['references builtins.sdsdev']);
             expect(process.stdout.toString()).toContain('Python code generated successfully.');
             expect(process.status).toBe(ExitCode.Success);
         });
 
         it('should show an error if the file does not exist', () => {
-            const process = spawnGenerateProcess([], ['missing.sdstest']);
+            const process = spawnGenerateProcess([], ['missing.sdsdev']);
             expect(process.stderr.toString()).toMatch(/Path .* does not exist./u);
             expect(process.status).toBe(ExitCode.MissingPath);
         });
diff --git a/packages/safe-ds-cli/tests/helpers/diagnostics.test.ts b/packages/safe-ds-cli/tests/helpers/diagnostics.test.ts
index 7ec9e6d7a..6547c2e23 100644
--- a/packages/safe-ds-cli/tests/helpers/diagnostics.test.ts
+++ b/packages/safe-ds-cli/tests/helpers/diagnostics.test.ts
@@ -26,7 +26,7 @@ describe('diagnosticToString', () => {
                 range,
                 message,
             },
-            expected: chalk.red(`test.sdstest:1:1: [error] message`),
+            expected: chalk.red(`test.sdsdev:1:1: [error] message`),
         },
         {
             testName: 'warning',
@@ -35,7 +35,7 @@ describe('diagnosticToString', () => {
                 range,
                 message,
             },
-            expected: chalk.yellow(`test.sdstest:1:1: [warning] message`),
+            expected: chalk.yellow(`test.sdsdev:1:1: [warning] message`),
         },
         {
             testName: 'warning (strict)',
@@ -47,7 +47,7 @@ describe('diagnosticToString', () => {
             options: {
                 strict: true,
             },
-            expected: chalk.red(`test.sdstest:1:1: [warning] message`),
+            expected: chalk.red(`test.sdsdev:1:1: [warning] message`),
         },
         {
             testName: 'info',
@@ -56,7 +56,7 @@ describe('diagnosticToString', () => {
                 range,
                 message,
             },
-            expected: chalk.blue(`test.sdstest:1:1: [info] message`),
+            expected: chalk.blue(`test.sdsdev:1:1: [info] message`),
         },
         {
             testName: 'hint',
@@ -65,7 +65,7 @@ describe('diagnosticToString', () => {
                 range,
                 message,
             },
-            expected: chalk.gray(`test.sdstest:1:1: [hint] message`),
+            expected: chalk.gray(`test.sdsdev:1:1: [hint] message`),
         },
         {
             testName: 'with code',
@@ -75,12 +75,12 @@ describe('diagnosticToString', () => {
                 message,
                 code: 'CODE',
             },
-            expected: chalk.red(`test.sdstest:1:1: [error] message (CODE)`),
+            expected: chalk.red(`test.sdsdev:1:1: [error] message (CODE)`),
         },
     ];
 
     it.each(tests)('$testName', ({ diagnostic, options, expected }) => {
-        const uri = URI.file(path.join(process.cwd(), 'test.sdstest'));
+        const uri = URI.file(path.join(process.cwd(), 'test.sdsdev'));
         const actual = diagnosticToString(uri, diagnostic, options);
         expect(actual).toBe(expected);
     });
diff --git a/packages/safe-ds-cli/tests/helpers/documents.test.ts b/packages/safe-ds-cli/tests/helpers/documents.test.ts
index 219163b37..044292e0b 100644
--- a/packages/safe-ds-cli/tests/helpers/documents.test.ts
+++ b/packages/safe-ds-cli/tests/helpers/documents.test.ts
@@ -14,8 +14,8 @@ describe('processPaths', async () => {
     const tests: ProcessPathsTest[] = [
         {
             testName: 'pipe file',
-            paths: ['a.sdspipe'],
-            expected: Result.ok(['a.sdspipe']),
+            paths: ['a.sds'],
+            expected: Result.ok(['a.sds']),
         },
         {
             testName: 'stub file',
@@ -24,29 +24,29 @@ describe('processPaths', async () => {
         },
         {
             testName: 'test file',
-            paths: ['c.sdstest'],
-            expected: Result.ok(['c.sdstest']),
+            paths: ['c.sdsdev'],
+            expected: Result.ok(['c.sdsdev']),
         },
         {
             testName: 'multiple files',
-            paths: ['a.sdspipe', 'b.sdsstub', 'c.sdstest'],
-            expected: Result.ok(['a.sdspipe', 'b.sdsstub', 'c.sdstest']),
+            paths: ['a.sds', 'b.sdsstub', 'c.sdsdev'],
+            expected: Result.ok(['a.sds', 'b.sdsstub', 'c.sdsdev']),
         },
         {
             testName: 'duplicates',
-            paths: ['a.sdspipe', 'a.sdspipe'],
-            expected: Result.ok(['a.sdspipe']),
+            paths: ['a.sds', 'a.sds'],
+            expected: Result.ok(['a.sds']),
         },
         {
             testName: 'directory',
             paths: ['.'],
             expected: Result.ok([
-                'a.sdspipe',
+                'a.sds',
                 'b.sdsstub',
-                'c.sdstest',
-                'nested/a.sdspipe',
+                'c.sdsdev',
+                'nested/a.sds',
                 'nested/b.sdsstub',
-                'nested/c.sdstest',
+                'nested/c.sdsdev',
             ]),
         },
         {
diff --git a/packages/safe-ds-cli/tests/helpers/files.test.ts b/packages/safe-ds-cli/tests/helpers/files.test.ts
index e61bd76bb..63d7452ac 100644
--- a/packages/safe-ds-cli/tests/helpers/files.test.ts
+++ b/packages/safe-ds-cli/tests/helpers/files.test.ts
@@ -5,7 +5,7 @@ import { uriToRelativePath } from '../../src/helpers/files.js';
 
 describe('uriToRelativePath', () => {
     it('should return a path that is relative to the current working directory', () => {
-        const fileName = 'test.sdstest';
+        const fileName = 'test.sdsdev';
         const uri = URI.file(path.join(process.cwd(), fileName));
 
         expect(uriToRelativePath(uri)).toBe(fileName);
diff --git a/packages/safe-ds-cli/tests/resources/check/contains errors.sdstest b/packages/safe-ds-cli/tests/resources/check/contains errors.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/check/contains errors.sdstest
rename to packages/safe-ds-cli/tests/resources/check/contains errors.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/check/contains warnings.sdstest b/packages/safe-ds-cli/tests/resources/check/contains warnings.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/check/contains warnings.sdstest
rename to packages/safe-ds-cli/tests/resources/check/contains warnings.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/check/correct.sdstest b/packages/safe-ds-cli/tests/resources/check/correct.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/check/correct.sdstest
rename to packages/safe-ds-cli/tests/resources/check/correct.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/check/references builtins.sdstest b/packages/safe-ds-cli/tests/resources/check/references builtins.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/check/references builtins.sdstest
rename to packages/safe-ds-cli/tests/resources/check/references builtins.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/document/contains errors.sdstest b/packages/safe-ds-cli/tests/resources/document/contains errors.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/document/contains errors.sdstest
rename to packages/safe-ds-cli/tests/resources/document/contains errors.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/document/correct.sdstest b/packages/safe-ds-cli/tests/resources/document/correct.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/document/correct.sdstest
rename to packages/safe-ds-cli/tests/resources/document/correct.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/document/references builtins.sdstest b/packages/safe-ds-cli/tests/resources/document/references builtins.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/document/references builtins.sdstest
rename to packages/safe-ds-cli/tests/resources/document/references builtins.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/format/contains syntax errors.sdstest b/packages/safe-ds-cli/tests/resources/format/contains syntax errors.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/format/contains syntax errors.sdstest
rename to packages/safe-ds-cli/tests/resources/format/contains syntax errors.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/format/correct.sdstest b/packages/safe-ds-cli/tests/resources/format/correct.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/format/correct.sdstest
rename to packages/safe-ds-cli/tests/resources/format/correct.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/generate/contains errors.sdstest b/packages/safe-ds-cli/tests/resources/generate/contains errors.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/generate/contains errors.sdstest
rename to packages/safe-ds-cli/tests/resources/generate/contains errors.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/generate/correct.sdstest b/packages/safe-ds-cli/tests/resources/generate/correct.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/generate/correct.sdstest
rename to packages/safe-ds-cli/tests/resources/generate/correct.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/generate/references builtins.sdstest b/packages/safe-ds-cli/tests/resources/generate/references builtins.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/generate/references builtins.sdstest
rename to packages/safe-ds-cli/tests/resources/generate/references builtins.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/processPaths/a.sdspipe b/packages/safe-ds-cli/tests/resources/processPaths/a.sds
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/processPaths/a.sdspipe
rename to packages/safe-ds-cli/tests/resources/processPaths/a.sds
diff --git a/packages/safe-ds-cli/tests/resources/processPaths/c.sdstest b/packages/safe-ds-cli/tests/resources/processPaths/c.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/processPaths/c.sdstest
rename to packages/safe-ds-cli/tests/resources/processPaths/c.sdsdev
diff --git a/packages/safe-ds-cli/tests/resources/processPaths/nested/a.sdspipe b/packages/safe-ds-cli/tests/resources/processPaths/nested/a.sds
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/processPaths/nested/a.sdspipe
rename to packages/safe-ds-cli/tests/resources/processPaths/nested/a.sds
diff --git a/packages/safe-ds-cli/tests/resources/processPaths/nested/c.sdstest b/packages/safe-ds-cli/tests/resources/processPaths/nested/c.sdsdev
similarity index 100%
rename from packages/safe-ds-cli/tests/resources/processPaths/nested/c.sdstest
rename to packages/safe-ds-cli/tests/resources/processPaths/nested/c.sdsdev
diff --git a/packages/safe-ds-lang/langium-config.json b/packages/safe-ds-lang/langium-config.json
index 5efc33ce3..fce9ddfe9 100644
--- a/packages/safe-ds-lang/langium-config.json
+++ b/packages/safe-ds-lang/langium-config.json
@@ -4,7 +4,7 @@
         {
             "id": "safe-ds",
             "grammar": "src/language/grammar/safe-ds.langium",
-            "fileExtensions": [".sdspipe", ".sdsstub", ".sdstest"]
+            "fileExtensions": [".sds", ".sdsstub", ".sdsdev"]
         }
     ],
     "out": "src/language/generated"
diff --git a/packages/safe-ds-lang/src/language/helpers/fileExtensions.ts b/packages/safe-ds-lang/src/language/helpers/fileExtensions.ts
index c26d362ec..2a891a049 100644
--- a/packages/safe-ds-lang/src/language/helpers/fileExtensions.ts
+++ b/packages/safe-ds-lang/src/language/helpers/fileExtensions.ts
@@ -6,7 +6,7 @@ import { AstNode, AstUtils, LangiumDocument } from 'langium';
  * @see isInPipelineFile
  * @see isPipelineFile
  */
-export const PIPELINE_FILE_EXTENSION = 'sdspipe';
+export const PIPELINE_FILE_EXTENSION = 'sds';
 
 /**
  * Marks the file as a stub file, which describes an external API.
@@ -17,23 +17,23 @@ export const PIPELINE_FILE_EXTENSION = 'sdspipe';
 export const STUB_FILE_EXTENSION = 'sdsstub';
 
 /**
- * Marks the file as a test file, which disables some checks to simplify its use as input of test cases. This file
+ * Marks the file as a dev file, which disables some checks to simplify its use as input of test cases. This file
  * type is only used by language developers.
  *
- * @see isInTestFile
- * @see isTestFile
+ * @see isInDevFile
+ * @see isDevFile
  */
-export const TEST_FILE_EXTENSION = 'sdstest';
+export const DEV_FILE_EXTENSION = 'sdsdev';
 
 /**
  * All file extensions that are supported by the Safe-DS language.
  */
-export const SAFE_DS_FILE_EXTENSIONS = [PIPELINE_FILE_EXTENSION, STUB_FILE_EXTENSION, TEST_FILE_EXTENSION];
+export const SAFE_DS_FILE_EXTENSIONS = [PIPELINE_FILE_EXTENSION, STUB_FILE_EXTENSION, DEV_FILE_EXTENSION];
 
 /**
  * All file extensions that are supported by the Safe-DS language.
  */
-export type SdSFileExtension = typeof PIPELINE_FILE_EXTENSION | typeof STUB_FILE_EXTENSION | typeof TEST_FILE_EXTENSION;
+export type SdSFileExtension = typeof PIPELINE_FILE_EXTENSION | typeof STUB_FILE_EXTENSION | typeof DEV_FILE_EXTENSION;
 
 /**
  * Returns whether the object is contained in a pipeline file.
@@ -46,9 +46,9 @@ export const isInPipelineFile = (node: AstNode | undefined) => node && isPipelin
 export const isInStubFile = (node: AstNode | undefined) => node && isStubFile(AstUtils.getDocument(node));
 
 /**
- * Returns whether the object is contained in a test file.
+ * Returns whether the object is contained in a dev file.
  */
-export const isInTestFile = (node: AstNode | undefined) => node && isTestFile(AstUtils.getDocument(node));
+export const isInDevFile = (node: AstNode | undefined) => node && isDevFile(AstUtils.getDocument(node));
 
 /**
  * Returns whether the resource represents a pipeline file.
@@ -61,9 +61,9 @@ export const isPipelineFile = (document: LangiumDocument) => hasExtension(docume
 export const isStubFile = (document: LangiumDocument) => hasExtension(document, STUB_FILE_EXTENSION);
 
 /**
- * Returns whether the resource represents a test file.
+ * Returns whether the resource represents a dev file.
  */
-export const isTestFile = (document: LangiumDocument) => hasExtension(document, TEST_FILE_EXTENSION);
+export const isDevFile = (document: LangiumDocument) => hasExtension(document, DEV_FILE_EXTENSION);
 
 /**
  * Returns whether the resource represents a file with the given extension.
diff --git a/packages/safe-ds-lang/src/language/runner/safe-ds-runner.ts b/packages/safe-ds-lang/src/language/runner/safe-ds-runner.ts
index 1ea0d2705..e95024ee9 100644
--- a/packages/safe-ds-lang/src/language/runner/safe-ds-runner.ts
+++ b/packages/safe-ds-lang/src/language/runner/safe-ds-runner.ts
@@ -464,10 +464,10 @@ export class SafeDsRunner {
     }
 
     public getMainModuleName(pipelineDocument: LangiumDocument): string {
-        if (pipelineDocument.uri.fsPath.endsWith('.sdspipe')) {
-            return this.generator.sanitizeModuleNameForPython(path.basename(pipelineDocument.uri.fsPath, '.sdspipe'));
-        } else if (pipelineDocument.uri.fsPath.endsWith('.sdstest')) {
-            return this.generator.sanitizeModuleNameForPython(path.basename(pipelineDocument.uri.fsPath, '.sdstest'));
+        if (pipelineDocument.uri.fsPath.endsWith('.sds')) {
+            return this.generator.sanitizeModuleNameForPython(path.basename(pipelineDocument.uri.fsPath, '.sds'));
+        } else if (pipelineDocument.uri.fsPath.endsWith('.sdsdev')) {
+            return this.generator.sanitizeModuleNameForPython(path.basename(pipelineDocument.uri.fsPath, '.sdsdev'));
         } else {
             return this.generator.sanitizeModuleNameForPython(path.basename(pipelineDocument.uri.fsPath));
         }
diff --git a/packages/safe-ds-lang/src/language/validation/names.ts b/packages/safe-ds-lang/src/language/validation/names.ts
index 04c1022ef..7420c6956 100644
--- a/packages/safe-ds-lang/src/language/validation/names.ts
+++ b/packages/safe-ds-lang/src/language/validation/names.ts
@@ -26,7 +26,7 @@ import {
     SdsTypeParameter,
 } from '../generated/ast.js';
 import { CODEGEN_PREFIX } from '../generation/safe-ds-python-generator.js';
-import { isInPipelineFile, isInStubFile, isInTestFile } from '../helpers/fileExtensions.js';
+import { isInDevFile, isInPipelineFile, isInStubFile } from '../helpers/fileExtensions.js';
 import {
     getClassMembers,
     getColumns,
@@ -327,7 +327,7 @@ export const moduleMustContainUniqueNames = (node: SdsModule, accept: Validation
             accept,
             isStubDeclaration,
         );
-    } else if (isInTestFile(node)) {
+    } else if (isInDevFile(node)) {
         namesMustBeUnique(
             getModuleMembers(node),
             (name) => `A declaration with name '${name}' exists already in this file.`,
diff --git a/packages/safe-ds-lang/tests/helpers/__snapshots__/nodeFinder.test.ts.snap b/packages/safe-ds-lang/tests/helpers/__snapshots__/nodeFinder.test.ts.snap
index b437dddde..1fe713d02 100644
--- a/packages/safe-ds-lang/tests/helpers/__snapshots__/nodeFinder.test.ts.snap
+++ b/packages/safe-ds-lang/tests/helpers/__snapshots__/nodeFinder.test.ts.snap
@@ -1,6 +1,6 @@
 // Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`getNodeByLocation > should throw if no document is found 1`] = `[AssertionError: No document found at file:///test.sdstest]`;
+exports[`getNodeByLocation > should throw if no document is found 1`] = `[AssertionError: No document found at file:///test.sdsdev]`;
 
 exports[`getNodeOfType > should throw if no node is found 1`] = `[AssertionError: Expected to find a matching node but found none.]`;
 
diff --git a/packages/safe-ds-lang/tests/helpers/diagnostics.ts b/packages/safe-ds-lang/tests/helpers/diagnostics.ts
index 916b40466..23a5b932c 100644
--- a/packages/safe-ds-lang/tests/helpers/diagnostics.ts
+++ b/packages/safe-ds-lang/tests/helpers/diagnostics.ts
@@ -64,7 +64,7 @@ export const getErrorsAtURI = (services: LangiumServices, uri: URI): Diagnostic[
 const getDiagnostics = async (services: LangiumServices, code: string): Promise<Diagnostic[]> => {
     const parse = parseHelper(services);
     const document = await parse(code, {
-        documentUri: `file:///$autogen$${nextId++}.sdstest`,
+        documentUri: `file:///$autogen$${nextId++}.sdsdev`,
         validation: true,
     });
     return document.diagnostics ?? [];
diff --git a/packages/safe-ds-lang/tests/helpers/locations.test.ts b/packages/safe-ds-lang/tests/helpers/locations.test.ts
index ecb19e4cc..f865072aa 100644
--- a/packages/safe-ds-lang/tests/helpers/locations.test.ts
+++ b/packages/safe-ds-lang/tests/helpers/locations.test.ts
@@ -35,17 +35,17 @@ describe('locationToString', () => {
     it.each([
         {
             location: {
-                uri: 'file:///test.sdstest',
+                uri: 'file:///test.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 0, character: 0 } },
             },
-            expected: 'file:///test.sdstest:1:1 -> 1:1',
+            expected: 'file:///test.sdsdev:1:1 -> 1:1',
         },
         {
             location: {
-                uri: 'file:///test.sdstest',
+                uri: 'file:///test.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 1, character: 0 } },
             },
-            expected: 'file:///test.sdstest:1:1 -> 2:1',
+            expected: 'file:///test.sdsdev:1:1 -> 2:1',
         },
     ])(`should convert location to string ($expected)`, ({ location, expected }) => {
         expect(locationToString(location)).toBe(expected);
@@ -56,11 +56,11 @@ describe('isLocationEqual', () => {
     it.each([
         {
             location1: {
-                uri: 'file:///test.sdstest',
+                uri: 'file:///test.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 0, character: 0 } },
             },
             location2: {
-                uri: 'file:///test.sdstest',
+                uri: 'file:///test.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 0, character: 0 } },
             },
             expected: true,
@@ -68,11 +68,11 @@ describe('isLocationEqual', () => {
         },
         {
             location1: {
-                uri: 'file:///test.sdstest',
+                uri: 'file:///test.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 0, character: 0 } },
             },
             location2: {
-                uri: 'file:///test2.sdstest',
+                uri: 'file:///test2.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 0, character: 0 } },
             },
             expected: false,
@@ -80,11 +80,11 @@ describe('isLocationEqual', () => {
         },
         {
             location1: {
-                uri: 'file:///test.sdstest',
+                uri: 'file:///test.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 0, character: 0 } },
             },
             location2: {
-                uri: 'file:///test.sdstest',
+                uri: 'file:///test.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 1, character: 0 } },
             },
             expected: false,
diff --git a/packages/safe-ds-lang/tests/helpers/nodeFinder.test.ts b/packages/safe-ds-lang/tests/helpers/nodeFinder.test.ts
index 6cda0de50..6b646a6ea 100644
--- a/packages/safe-ds-lang/tests/helpers/nodeFinder.test.ts
+++ b/packages/safe-ds-lang/tests/helpers/nodeFinder.test.ts
@@ -16,7 +16,7 @@ describe('getNodeByLocation', async () => {
     it('should throw if no document is found', () => {
         expect(() => {
             getNodeByLocation(services, {
-                uri: 'file:///test.sdstest',
+                uri: 'file:///test.sdsdev',
                 range: { start: { line: 0, character: 0 }, end: { line: 0, character: 0 } },
             });
         }).toThrowErrorMatchingSnapshot();
diff --git a/packages/safe-ds-lang/tests/helpers/testChecks.test.ts b/packages/safe-ds-lang/tests/helpers/testChecks.test.ts
index 2ed4ee46b..0c6ed438e 100644
--- a/packages/safe-ds-lang/tests/helpers/testChecks.test.ts
+++ b/packages/safe-ds-lang/tests/helpers/testChecks.test.ts
@@ -10,7 +10,7 @@ import {
 import { Range } from 'vscode-languageserver';
 import { URI } from 'langium';
 
-const uri = 'file:///test.sdstest';
+const uri = 'file:///test.sdsdev';
 
 describe('findTestChecks', () => {
     it.each([
diff --git a/packages/safe-ds-lang/tests/helpers/testResources.test.ts b/packages/safe-ds-lang/tests/helpers/testResources.test.ts
index 111c3c590..2c770ccec 100644
--- a/packages/safe-ds-lang/tests/helpers/testResources.test.ts
+++ b/packages/safe-ds-lang/tests/helpers/testResources.test.ts
@@ -29,12 +29,12 @@ describe('listTestSafeDsFiles', () => {
         const rootResourceName = 'helpers/listSafeDsFiles';
         const actual = listTestSafeDsFiles(rootResourceName);
         const expected = [
-            'pipeline file.sdspipe',
+            'pipeline file.sds',
             'stub file.sdsstub',
-            'test file.sdstest',
-            'nested/pipeline file.sdspipe',
+            'test file.sdsdev',
+            'nested/pipeline file.sds',
             'nested/stub file.sdsstub',
-            'nested/test file.sdstest',
+            'nested/test file.sdsdev',
         ];
 
         expectFileListsToMatch(rootResourceName, actual, expected);
@@ -65,7 +65,7 @@ describe('listTestSafeDsFilesGroupedByParentDirectory', () => {
         const actualValuesDirectlyInRoot = [...result.entries()].find(
             ([key]) => uriToShortenedTestResourceName(key, rootResourceName) === '',
         )!;
-        const expectedValuesDirectlyInRoot = ['pipeline file.sdspipe', 'stub file.sdsstub', 'test file.sdstest'];
+        const expectedValuesDirectlyInRoot = ['pipeline file.sds', 'stub file.sdsstub', 'test file.sdsdev'];
         expectFileListsToMatch(rootResourceName, actualValuesDirectlyInRoot[1], expectedValuesDirectlyInRoot);
 
         // Compare the values, i.e. the files, in the nested directory
@@ -73,9 +73,9 @@ describe('listTestSafeDsFilesGroupedByParentDirectory', () => {
             ([key]) => uriToShortenedTestResourceName(key, rootResourceName) === 'nested',
         )!;
         const expectedValuesInNested = [
-            'nested/pipeline file.sdspipe',
+            'nested/pipeline file.sds',
             'nested/stub file.sdsstub',
-            'nested/test file.sdstest',
+            'nested/test file.sdsdev',
         ];
         expectFileListsToMatch(rootResourceName, actualValuesInNested[1], expectedValuesInNested);
     });
diff --git a/packages/safe-ds-lang/tests/language/lsp/safe-ds-inlay-hint-provider.test.ts b/packages/safe-ds-lang/tests/language/lsp/safe-ds-inlay-hint-provider.test.ts
index 195584b23..74297568b 100644
--- a/packages/safe-ds-lang/tests/language/lsp/safe-ds-inlay-hint-provider.test.ts
+++ b/packages/safe-ds-lang/tests/language/lsp/safe-ds-inlay-hint-provider.test.ts
@@ -460,7 +460,7 @@ const getActualSimpleInlayHints = async (code: string): Promise<SimpleInlayHint[
 };
 
 const getExpectedSimpleInlayHints = (code: string): SimpleInlayHint[] => {
-    const testChecks = findTestChecks(code, URI.file('file:///test.sdstest'), { failIfFewerRangesThanComments: true });
+    const testChecks = findTestChecks(code, URI.file('file:///test.sdsdev'), { failIfFewerRangesThanComments: true });
     if (testChecks.isErr) {
         throw new Error(testChecks.error.message);
     }
diff --git a/packages/safe-ds-lang/tests/language/lsp/safe-ds-rename-provider.test.ts b/packages/safe-ds-lang/tests/language/lsp/safe-ds-rename-provider.test.ts
index 4f24dcd8e..84ace157f 100644
--- a/packages/safe-ds-lang/tests/language/lsp/safe-ds-rename-provider.test.ts
+++ b/packages/safe-ds-lang/tests/language/lsp/safe-ds-rename-provider.test.ts
@@ -14,7 +14,7 @@ const nameProvider = services.references.NameProvider;
 const renameProvider = services.lsp.RenameProvider!;
 
 const resourceUri = 'file:///resource.sdsstub';
-const mainUri = 'file:///main.sdspipe';
+const mainUri = 'file:///main.sds';
 
 describe('SafeDsRenameProvider', async () => {
     const testCases: RenameProviderTest[] = [
diff --git a/packages/safe-ds-lang/tests/language/lsp/safe-ds.completion-provider.test.ts b/packages/safe-ds-lang/tests/language/lsp/safe-ds.completion-provider.test.ts
index 771ccf4c7..d122ca6c7 100644
--- a/packages/safe-ds-lang/tests/language/lsp/safe-ds.completion-provider.test.ts
+++ b/packages/safe-ds-lang/tests/language/lsp/safe-ds.completion-provider.test.ts
@@ -18,12 +18,12 @@ describe('SafeDsCompletionProvider', async () => {
                 },
             },
             {
-                testName: 'after package (sdspipe)',
+                testName: 'after package (sds)',
                 code: `
                     package myPackage
                     <|>
                 `,
-                uri: `file:///test1.sdspipe`,
+                uri: `file:///test1.sds`,
                 expectedLabels: {
                     shouldEqual: ['from', 'pipeline', 'internal', 'private', 'segment'],
                 },
@@ -40,12 +40,12 @@ describe('SafeDsCompletionProvider', async () => {
                 },
             },
             {
-                testName: 'after package (sdstest)',
+                testName: 'after package (sdsdev)',
                 code: `
                     package myPackage
                     <|>
                 `,
-                uri: `file:///test3.sdstest`,
+                uri: `file:///test3.sdsdev`,
                 expectedLabels: {
                     shouldEqual: [
                         'from',
diff --git a/packages/safe-ds-lang/tests/language/runner/safe-ds-runner.test.ts b/packages/safe-ds-lang/tests/language/runner/safe-ds-runner.test.ts
index b0ff26f23..8fcfaad11 100644
--- a/packages/safe-ds-lang/tests/language/runner/safe-ds-runner.test.ts
+++ b/packages/safe-ds-lang/tests/language/runner/safe-ds-runner.test.ts
@@ -31,36 +31,30 @@ describe('SafeDsRunner', async () => {
         });
     });
     describe('getMainModuleName', async () => {
-        it('sdspipe', async () => {
-            const document = services.shared.workspace.LangiumDocumentFactory.fromString(
-                '',
-                URI.file('/a-b c.sdspipe'),
-            );
+        it('sds', async () => {
+            const document = services.shared.workspace.LangiumDocumentFactory.fromString('', URI.file('/a-b c.sds'));
             const mainModuleName = runner.getMainModuleName(document);
             expect(mainModuleName).toBe('a_b_c');
         });
-        it('sdstest', async () => {
-            const document = services.shared.workspace.LangiumDocumentFactory.fromString(
-                '',
-                URI.file('/a-b c.sdstest'),
-            );
+        it('sdsdev', async () => {
+            const document = services.shared.workspace.LangiumDocumentFactory.fromString('', URI.file('/a-b c.sdsdev'));
             const mainModuleName = runner.getMainModuleName(document);
             expect(mainModuleName).toBe('a_b_c');
         });
         it('other', async () => {
             const document = services.shared.workspace.LangiumDocumentFactory.fromString(
                 '',
-                URI.file('/a-b c.sdstest2'),
+                URI.file('/a-b c.sdsdev2'),
             );
             const mainModuleName = runner.getMainModuleName(document);
-            expect(mainModuleName).toBe('a_b_c_sdstest2');
+            expect(mainModuleName).toBe('a_b_c_sdsdev2');
         });
     });
     describe('generateCodeForRunner', async () => {
         it('generateCodeForRunner', async () => {
             const document = services.shared.workspace.LangiumDocumentFactory.fromString(
                 'package a\n\npipeline mainpipeline {}',
-                URI.file('/b.sdstest'),
+                URI.file('/b.sdsdev'),
             );
             const [programCodeMap] = runner.generateCodeForRunner(document, undefined);
             expect(JSON.stringify(programCodeMap).replaceAll('\\r\\n', '\\n')).toBe(
diff --git a/packages/safe-ds-lang/tests/resources/call graph/annotation call.sdstest b/packages/safe-ds-lang/tests/resources/call graph/annotation call.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/annotation call.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/annotation call.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/block lambda.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/block lambda.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/block lambda.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/block lambda.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/callable does not get called.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/callable does not get called.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/callable does not get called.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/callable does not get called.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/expression lambda.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/expression lambda.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/expression lambda.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/expression lambda.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/function.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/function.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/function.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/function.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/segment.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/segment.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/segment.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/argument/segment.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/basic.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/basic.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/basic.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/basic.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/body/function call in nested lambda.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/body/function call in nested lambda.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/body/function call in nested lambda.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/body/function call in nested lambda.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/body/function call.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/body/function call.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/body/function call.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/body/function call.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/call.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/call.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/call.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/call.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/callable.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/callable.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/callable.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/callable.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/previous parameter.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/previous parameter.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/previous parameter.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/default value/previous parameter.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/block lambda call/null safe.sdstest b/packages/safe-ds-lang/tests/resources/call graph/block lambda call/null safe.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/block lambda call/null safe.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/block lambda call/null safe.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/callable type call.sdstest b/packages/safe-ds-lang/tests/resources/call graph/callable type call.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/call graph/callable type call.sdstest
rename to packages/safe-ds-lang/tests/resources/call graph/callable type call.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/call graph/callable/block lambda.sdstest b/packages/safe-ds-lang/tests/resources/call graph/callable/block lambda.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (complex).sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (complex).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (complex).sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (long).sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (long).sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (with annotation).sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (with annotation).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (with annotation).sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment (with annotation).sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment.sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment.sdsdev
similarity index 100%
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rename to packages/safe-ds-lang/tests/resources/formatting/trailing commas/result list of segment.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type argument list of named type.sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type argument list of named type.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/type argument list of named type.sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/trailing commas/type argument list of named type.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type argument list of union type.sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type argument list of union type.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/type argument list of union type.sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/trailing commas/type argument list of union type.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class (long).sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class (long).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class (long).sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class (long).sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class (with annotation).sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class (with annotation).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class (with annotation).sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class (with annotation).sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class.sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class.sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of class.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function (long).sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function (long).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function (long).sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function (long).sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function (with annotation).sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function (with annotation).sdsdev
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rename from packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function (with annotation).sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function.sdstest b/packages/safe-ds-lang/tests/resources/formatting/trailing commas/type parameter list of function.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/callable types/minimal.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/callable types/minimal.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/literal types/empty.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/literal types/empty.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/literal types/empty.sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/literal types/with literals.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/literal types/with literals.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/long complex chain.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/long complex chain.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (callable) and member (not nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (callable) and member (not nullable).sdsdev
similarity index 100%
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rename to packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (callable) and member (not nullable).sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (callable) and member (nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (callable) and member (nullable).sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (literal) and member (not nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (literal) and member (not nullable).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (literal) and member (not nullable).sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (literal) and member (nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (literal) and member (nullable).sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, not nullable) and member (not nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, not nullable) and member (not nullable).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, not nullable) and member (not nullable).sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, not nullable) and member (nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, not nullable) and member (nullable).sdsdev
similarity index 100%
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rename to packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, not nullable) and member (nullable).sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, nullable) and member (not nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, nullable) and member (not nullable).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, nullable) and member (not nullable).sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, nullable) and member (not nullable).sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, nullable) and member (nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, nullable) and member (nullable).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (named, nullable) and member (nullable).sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (union) and member (not nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (union) and member (not nullable).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (union) and member (not nullable).sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (union) and member (nullable).sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (union) and member (nullable).sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/member types/receiver (union) and member (nullable).sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/named types/no type arguments and not nullable.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/named types/no type arguments and not nullable.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/named types/no type arguments and nullable.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/named types/no type arguments and nullable.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/named types/type argument and nullable.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/named types/type argument and nullable.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/named types/type arguments and not nullable.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/named types/type arguments and not nullable.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/union types/empty.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/union types/empty.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/union types/nested.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/union types/nested.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/union types/with type arguments.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/union types/with type arguments.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/union types/with type arguments.sdstest
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diff --git a/packages/safe-ds-lang/tests/resources/formatting/types/unknown types/unknown.sdstest b/packages/safe-ds-lang/tests/resources/formatting/types/unknown types/unknown.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/formatting/types/unknown types/unknown.sdstest
rename to packages/safe-ds-lang/tests/resources/formatting/types/unknown types/unknown.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/pipelines/generated/tests/generation/markdown/pipelines/mySegment1.md b/packages/safe-ds-lang/tests/resources/generation/markdown/pipelines/generated/tests/generation/markdown/pipelines/mySegment1.md
index b8c6f606f..5fcc03bfd 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/pipelines/generated/tests/generation/markdown/pipelines/mySegment1.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/pipelines/generated/tests/generation/markdown/pipelines/mySegment1.md
@@ -1,6 +1,6 @@
 # `#!sds segment` mySegment1 {#tests.generation.markdown.pipelines.mySegment1 data-toc-label='mySegment1'}
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="6"
     segment mySegment1() {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/pipelines/main.sdspipe b/packages/safe-ds-lang/tests/resources/generation/markdown/pipelines/main.sds
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/markdown/pipelines/main.sdspipe
rename to packages/safe-ds-lang/tests/resources/generation/markdown/pipelines/main.sds
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/deprecated/generated/tests/generation/markdown/segments/deprecated/mySegment1.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/deprecated/generated/tests/generation/markdown/segments/deprecated/mySegment1.md
index 1f5493658..4055eed9c 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/deprecated/generated/tests/generation/markdown/segments/deprecated/mySegment1.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/deprecated/generated/tests/generation/markdown/segments/deprecated/mySegment1.md
@@ -4,7 +4,7 @@
 
     This segment is deprecated.
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="4"
     segment mySegment1() {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/deprecated/main.sdspipe b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/deprecated/main.sds
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/markdown/segments/deprecated/main.sdspipe
rename to packages/safe-ds-lang/tests/resources/generation/markdown/segments/deprecated/main.sds
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment1.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment1.md
index 009f3508b..99391c374 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment1.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment1.md
@@ -2,7 +2,7 @@
 
 Description of mySegment1.
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="6"
     segment mySegment1() {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment3.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment3.md
index 0428ef2b6..2843aa667 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment3.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment3.md
@@ -2,7 +2,7 @@
 
 Description of mySegment3.
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="16"
     internal segment mySegment3() {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment4.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment4.md
index ba22c9508..9175658a4 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment4.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment4.md
@@ -9,7 +9,7 @@ Description of mySegment3.
 | `param1` | [`MyClass1`][tests.generation.markdown.segments.documented.MyClass1] | Description of param1. | - |
 | `param2` | `#!sds Float` | Description of param2. | `#!sds 1.0` |
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="24"
     segment mySegment4(param1: MyClass1, param2: Float = 1.0) {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment5.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment5.md
index 9db03be19..bef083c4a 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment5.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/generated/tests/generation/markdown/segments/documented/mySegment5.md
@@ -9,7 +9,7 @@ Description of mySegment4.
 | `result1` | [`MyClass1`][tests.generation.markdown.segments.documented.MyClass1] | Description of result1. |
 | `result2` | `#!sds Float` | Description of result2. |
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="32"
     segment mySegment5() -> (result1: MyClass1, result2: Float) {
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/main.sdspipe b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/main.sds
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/main.sdspipe
rename to packages/safe-ds-lang/tests/resources/generation/markdown/segments/documented/main.sds
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/experimental/generated/tests/generation/markdown/segments/experimental/mySegment1.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/experimental/generated/tests/generation/markdown/segments/experimental/mySegment1.md
index 81ef29b72..4f7322214 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/experimental/generated/tests/generation/markdown/segments/experimental/mySegment1.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/experimental/generated/tests/generation/markdown/segments/experimental/mySegment1.md
@@ -1,6 +1,6 @@
 # :test_tube:{ title="Experimental" } `#!sds segment` mySegment1 {#tests.generation.markdown.segments.experimental.mySegment1 data-toc-label='mySegment1'}
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="4"
     segment mySegment1() {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/experimental/main.sdspipe b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/experimental/main.sds
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/markdown/segments/experimental/main.sdspipe
rename to packages/safe-ds-lang/tests/resources/generation/markdown/segments/experimental/main.sds
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment1.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment1.md
index 2b147fccd..d45a28ae9 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment1.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment1.md
@@ -1,6 +1,6 @@
 # `#!sds segment` mySegment1 {#tests.generation.markdown.segments.undocumented.mySegment1 data-toc-label='mySegment1'}
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="3"
     segment mySegment1() {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment3.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment3.md
index 13ad56fb2..e59e7abe4 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment3.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment3.md
@@ -1,6 +1,6 @@
 # `#!sds internal segment` mySegment3 {#tests.generation.markdown.segments.undocumented.mySegment3 data-toc-label='mySegment3'}
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="7"
     internal segment mySegment3() {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment4.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment4.md
index f0fe24741..e18e24ab3 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment4.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment4.md
@@ -7,7 +7,7 @@
 | `param1` | `#!sds Int` | - | - |
 | `param2` | `#!sds Float` | - | `#!sds 1.0` |
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="9"
     segment mySegment4(param1: Int, param2: Float = 1.0) {}
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment5.md b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment5.md
index c6816e09a..85ba3b861 100644
--- a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment5.md
+++ b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/generated/tests/generation/markdown/segments/undocumented/mySegment5.md
@@ -7,7 +7,7 @@
 | `result1` | `#!sds Int` | - |
 | `result2` | `#!sds Float` | - |
 
-??? quote "Implementation code in `main.sdspipe`"
+??? quote "Implementation code in `main.sds`"
 
     ```sds linenums="11"
     segment mySegment5() -> (result1: Int, result2: Float) {
diff --git a/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/main.sdspipe b/packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/main.sds
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/main.sdspipe
rename to packages/safe-ds-lang/tests/resources/generation/markdown/segments/undocumented/main.sds
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty pipeline/generated/tests/generator/emptyPipeline/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty pipeline/generated/tests/generator/emptyPipeline/gen_input.py.map
index 0d59bc041..69f3fcf6b 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty pipeline/generated/tests/generator/emptyPipeline/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty pipeline/generated/tests/generator/emptyPipeline/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test"],"mappings":"AAAA;;AAEA,IAASA,IAAI;IAAC,IAAE","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test"],"mappings":"AAAA;;AAEA,IAASA,IAAI;IAAC,IAAE","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty pipeline/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty pipeline/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/declarations/empty pipeline/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/declarations/empty pipeline/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty segment/generated/tests/generator/emptySegment/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty segment/generated/tests/generator/emptySegment/gen_input.py.map
index 9f57b9aaa..7b5add64b 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty segment/generated/tests/generator/emptySegment/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty segment/generated/tests/generator/emptySegment/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test"],"mappings":"AAAA;;AAEA,IAAQA,IAAI;IAAG,IAAE","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test"],"mappings":"AAAA;;AAEA,IAAQA,IAAI;IAAG,IAAE","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty segment/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/declarations/empty segment/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/declarations/empty segment/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/declarations/empty segment/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/parameter with python name/generated/tests/generator/parameterWithPythonName/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/declarations/parameter with python name/generated/tests/generator/parameterWithPythonName/gen_input.py.map
index 4f5d6224b..5def20282 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/declarations/parameter with python name/generated/tests/generator/parameterWithPythonName/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/declarations/parameter with python name/generated/tests/generator/parameterWithPythonName/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","param1","param2","param3","f1","a","b","c","f2"],"mappings":"AAAA;;;;;;AAKA,IAAQA,IAAI,CAACC,MAAM,EAA8BC,OAAM,EAA8BC,OAAM,CAAQ,CAAC;IAChGC,EAAE,CAAC,OAACC,CAAC,EAAOC,CAAC,EAAOC,CAAC,CAAQ,CAAC,EAAK,CAAC;IACjC,yBAACF,CAAC,EAAOC,CAAC,EAAOC,CAAC,CAAQ,CAAC;QAAE,IAAE;IAAlCC,EAAE,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","param1","param2","param3","f1","a","b","c","f2"],"mappings":"AAAA;;;;;;AAKA,IAAQA,IAAI,CAACC,MAAM,EAA8BC,OAAM,EAA8BC,OAAM,CAAQ,CAAC;IAChGC,EAAE,CAAC,OAACC,CAAC,EAAOC,CAAC,EAAOC,CAAC,CAAQ,CAAC,EAAK,CAAC;IACjC,yBAACF,CAAC,EAAOC,CAAC,EAAOC,CAAC,CAAQ,CAAC;QAAE,IAAE;IAAlCC,EAAE,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/parameter with python name/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/declarations/parameter with python name/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/declarations/parameter with python name/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/declarations/parameter with python name/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/pipeline with python name/generated/tests/generator/pipelineWithPythonName/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/declarations/pipeline with python name/generated/tests/generator/pipelineWithPythonName/gen_input.py.map
index c64c0012c..f1fef8332 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/declarations/pipeline with python name/generated/tests/generator/pipelineWithPythonName/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/declarations/pipeline with python name/generated/tests/generator/pipelineWithPythonName/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testpipeline","f"],"mappings":"AAAA;;;;;;AAKA,IAASA,aAAY;IACjBC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testpipeline","f"],"mappings":"AAAA;;;;;;AAKA,IAASA,aAAY;IACjBC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/pipeline with python name/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/declarations/pipeline with python name/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/declarations/pipeline with python name/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/declarations/pipeline with python name/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/segment with python name/generated/tests/generator/segmentWithPythonName/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/declarations/segment with python name/generated/tests/generator/segmentWithPythonName/gen_input.py.map
index d953f0b16..4cfa5390c 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/declarations/segment with python name/generated/tests/generator/segmentWithPythonName/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/declarations/segment with python name/generated/tests/generator/segmentWithPythonName/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testsegment","f"],"mappings":"AAAA;;;;;;AAKA,IAAQA,YAAW;IACfC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testsegment","f"],"mappings":"AAAA;;;;;;AAKA,IAAQA,YAAW;IACfC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/segment with python name/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/declarations/segment with python name/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/declarations/segment with python name/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/declarations/segment with python name/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/two pipelines/generated/tests/generator/twoPipelines/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/declarations/two pipelines/generated/tests/generator/twoPipelines/gen_input.py.map
index 70d825724..b7d2aec2c 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/declarations/two pipelines/generated/tests/generator/twoPipelines/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/declarations/two pipelines/generated/tests/generator/twoPipelines/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test1","f","test2"],"mappings":"AAAA;;;;;;AAIA,IAASA,KAAK;IACVC,CAAC;;AAGL,IAASC,KAAK;IACVD,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test1","f","test2"],"mappings":"AAAA;;;;;;AAIA,IAASA,KAAK;IACVC,CAAC;;AAGL,IAASC,KAAK;IACVD,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/two pipelines/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/declarations/two pipelines/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/declarations/two pipelines/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/declarations/two pipelines/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/two segments/generated/tests/generator/twoSegments/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/declarations/two segments/generated/tests/generator/twoSegments/gen_input.py.map
index 8797db250..d9bc190d3 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/declarations/two segments/generated/tests/generator/twoSegments/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/declarations/two segments/generated/tests/generator/twoSegments/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test1","a","b","f","test2","c"],"mappings":"AAAA;;;;;;AAIA,IAAQA,KAAK,CAACC,CAAC,EAAOC,CAAC,CAAQ,CAAC;IAC5BC,CAAC;;AAGL,IAAQC,KAAK,CAACH,CAAC,EAAOI,CAAC;IACnBF,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test1","a","b","f","test2","c"],"mappings":"AAAA;;;;;;AAIA,IAAQA,KAAK,CAACC,CAAC,EAAOC,CAAC,CAAQ,CAAC;IAC5BC,CAAC;;AAGL,IAAQC,KAAK,CAACH,CAAC,EAAOI,CAAC;IACnBF,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/declarations/two segments/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/declarations/two segments/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/declarations/two segments/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/declarations/two segments/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda result/generated/tests/generator/blockLambdaResult/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda result/generated/tests/generator/blockLambdaResult/gen_input.py.map
index 034ddcefb..1c51e4295 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda result/generated/tests/generator/blockLambdaResult/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda result/generated/tests/generator/blockLambdaResult/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["f1","l","h","f2","e1","d1","test","a","b","d","g","e"],"mappings":"AAAA;;;;;;AAMA,IAAQA,EAAE,CAACC,CAAC;IACRC,CAAC,CAACD,CAAC,CAAC,CAAC,EAAE,CAAC;;AAGZ,IAAQE,EAAE,CAACF,CAAC;IACRC,CAAC,CAACD,CAAC,CAAC,CAAC,EAAE,CAAC,EAAEG,CAAE;IACZF,CAAC,CAACD,CAAC,CAAC,CAAC,EAAE,CAAC,EAAEI,CAAE;;;;AAGhB,IAASC,IAAI;IAEN,yBAACC,CAAC,EAAOC,CAAC;QACT,0BAAMC,CAAC,GAAGC,CAAC;QADZ,OACC,0BAAMD,CAAC;IADXT,EAAE,CAAC;IAGA,yBAACO,CAAC,EAAOC,CAAC;QACT,0BAAMC,CAAC,GAAGC,CAAC;QACX,0BAAMC,CAAC,GAAGD,CAAC;QAFZ,OACC,0BAAMD,CAAC,EACP,0BAAME,CAAC;IAFXR,EAAE,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["f1","l","h","f2","e1","d1","test","a","b","d","g","e"],"mappings":"AAAA;;;;;;AAMA,IAAQA,EAAE,CAACC,CAAC;IACRC,CAAC,CAACD,CAAC,CAAC,CAAC,EAAE,CAAC;;AAGZ,IAAQE,EAAE,CAACF,CAAC;IACRC,CAAC,CAACD,CAAC,CAAC,CAAC,EAAE,CAAC,EAAEG,CAAE;IACZF,CAAC,CAACD,CAAC,CAAC,CAAC,EAAE,CAAC,EAAEI,CAAE;;;;AAGhB,IAASC,IAAI;IAEN,yBAACC,CAAC,EAAOC,CAAC;QACT,0BAAMC,CAAC,GAAGC,CAAC;QADZ,OACC,0BAAMD,CAAC;IADXT,EAAE,CAAC;IAGA,yBAACO,CAAC,EAAOC,CAAC;QACT,0BAAMC,CAAC,GAAGC,CAAC;QACX,0BAAMC,CAAC,GAAGD,CAAC;QAFZ,OACC,0BAAMD,CAAC,EACP,0BAAME,CAAC;IAFXR,EAAE,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda result/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda result/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda result/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda result/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda/generated/tests/generator/blockLambda/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda/generated/tests/generator/blockLambda/gen_input.py.map
index 90a70453e..44fedffe6 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda/generated/tests/generator/blockLambda/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda/generated/tests/generator/blockLambda/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","a","b","d","g","f1","f2","g2","f3","c"],"mappings":"AAAA;;;;;;AASA,IAASA,IAAI;IACN,yBAACC,CAAC,EAAOC,CAAC,CAAQ,CAAC;QAClB,0BAAMC,CAAC,GAAGC,CAAC;QADZ,OACC,0BAAMD,CAAC;IADXE,EAAE,CAAC;IAGA,yBAACJ,CAAC,EAAOC,CAAC;QACT,0BAAMC,CAAC,GAAGC,CAAC;QADZ,OACC,0BAAMD,CAAC;IADXE,EAAE,CAAC;IAGA;QAAG,IAAE;IAARC,EAAE,CAAC;IACG,yBAACL,CAAC,EAAOC,CAAC,CAAQ,CAAC;QACrB,0BAAMC,CAAC,GAAGC,CAAC;QADT,OACF,0BAAMD,CAAC;IADXI,EAAE,CAACC,EAAE,CAAC;IAGK,yBAACP,CAAC,EAAOC,CAAC,CAAQ,CAAC;QAC1B,0BAAMC,CAAC,GAAGC,CAAC;QADJ,OACP,0BAAMD,CAAC;IADX,IAAQK,EAAE,CAAC;IAGXD,EAAE,CAACE,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","a","b","d","g","f1","f2","g2","f3","c"],"mappings":"AAAA;;;;;;AASA,IAASA,IAAI;IACN,yBAACC,CAAC,EAAOC,CAAC,CAAQ,CAAC;QAClB,0BAAMC,CAAC,GAAGC,CAAC;QADZ,OACC,0BAAMD,CAAC;IADXE,EAAE,CAAC;IAGA,yBAACJ,CAAC,EAAOC,CAAC;QACT,0BAAMC,CAAC,GAAGC,CAAC;QADZ,OACC,0BAAMD,CAAC;IADXE,EAAE,CAAC;IAGA;QAAG,IAAE;IAARC,EAAE,CAAC;IACG,yBAACL,CAAC,EAAOC,CAAC,CAAQ,CAAC;QACrB,0BAAMC,CAAC,GAAGC,CAAC;QADT,OACF,0BAAMD,CAAC;IADXI,EAAE,CAACC,EAAE,CAAC;IAGK,yBAACP,CAAC,EAAOC,CAAC,CAAQ,CAAC;QAC1B,0BAAMC,CAAC,GAAGC,CAAC;QADJ,OACP,0BAAMD,CAAC;IADX,IAAQK,EAAE,CAAC;IAGXD,EAAE,CAACE,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/block lambda/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/call/generated/tests/generator/call/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/call/generated/tests/generator/call/gen_input.py.map
index 405db0122..d5d952344 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/call/generated/tests/generator/call/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/call/generated/tests/generator/call/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","g","param2","h","i","j","k"],"mappings":"AAAA;;;;;;;;;;;;;;;;AA0BA,IAASA,IAAI;IACTC,CAAC,CAAEC,CAAC,CAAC,CAAC,EArBNC,MAAM,CAqBE,CAAC;IACTF,CAAC,CAAEC,CAAC,CAAsB,CAAC,EAtB3BC,MAAM,CAsBQ,CAAC;IACfF,CAAC,CAAEG,CAAC,CAAC,CAAC,EAlBiBD,OAAM,CAkBrB,CAAC;IACTF,CAAC,CAAEG,CAAC,CAAsB,CAAC,EAnBJD,OAAM,CAmBf,CAAC;IACfF,CAAC,CAAEG,CAAC,CAAU,CAAC;IACb,KAAK;IACL,KAAK,GAAE,GAAG;IACZ,EAAQ,GAAG,EAAT,IAAI;IAEL,oBAAC,CAAFH,CAAC,UAADA,CAAC,CAAGC,CAAC,CAAC,CAAC,EA9BPC,MAAM,CA8BG,CAAC;IACT,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAGC,CAAC,CAAsB,CAAC,EA/B5BC,MAAM,CA+BS,CAAC;IACf,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAGG,CAAC,CAAC,CAAC,EA3BgBD,OAAM,CA2BpB,CAAC;IACT,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAGG,CAAC,CAAsB,CAAC,EA5BLD,OAAM,CA4Bd,CAAC;IACf,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAGG,CAAC,CAAU,CAAC;IACf,oBAAC,CAAFC,CAAC,UAAE,KAAK;IACP,oBAAC,CAAFC,CAAC,UAAE,KAAK,GAAE,GAAG;IACZ,oBAAC,CAAFC,CAAC,UAAD,EAAS,GAAG,EAAT,IAAI","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","g","param2","h","i","j","k"],"mappings":"AAAA;;;;;;;;;;;;;;;;AA0BA,IAASA,IAAI;IACTC,CAAC,CAAEC,CAAC,CAAC,CAAC,EArBNC,MAAM,CAqBE,CAAC;IACTF,CAAC,CAAEC,CAAC,CAAsB,CAAC,EAtB3BC,MAAM,CAsBQ,CAAC;IACfF,CAAC,CAAEG,CAAC,CAAC,CAAC,EAlBiBD,OAAM,CAkBrB,CAAC;IACTF,CAAC,CAAEG,CAAC,CAAsB,CAAC,EAnBJD,OAAM,CAmBf,CAAC;IACfF,CAAC,CAAEG,CAAC,CAAU,CAAC;IACb,KAAK;IACL,KAAK,GAAE,GAAG;IACZ,EAAQ,GAAG,EAAT,IAAI;IAEL,oBAAC,CAAFH,CAAC,UAADA,CAAC,CAAGC,CAAC,CAAC,CAAC,EA9BPC,MAAM,CA8BG,CAAC;IACT,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAGC,CAAC,CAAsB,CAAC,EA/B5BC,MAAM,CA+BS,CAAC;IACf,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAGG,CAAC,CAAC,CAAC,EA3BgBD,OAAM,CA2BpB,CAAC;IACT,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAGG,CAAC,CAAsB,CAAC,EA5BLD,OAAM,CA4Bd,CAAC;IACf,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAGG,CAAC,CAAU,CAAC;IACf,oBAAC,CAAFC,CAAC,UAAE,KAAK;IACP,oBAAC,CAAFC,CAAC,UAAE,KAAK,GAAE,GAAG;IACZ,oBAAC,CAAFC,CAAC,UAAD,EAAS,GAAG,EAAT,IAAI","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/call/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/call/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/call/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/call/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/constant/generated/tests/generator/constant/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/constant/generated/tests/generator/constant/gen_input.py.map
index 78d2d5111..7cf7afb23 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/constant/generated/tests/generator/constant/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/constant/generated/tests/generator/constant/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","null"],"mappings":"AAAA;;;;;;AAIA,IAASA,IAAI;IACTC,CAAC,CAAC;IACFA,CAAC,CAAC;IACFA,CAAC,CAAC;IACFA,CAAC,CAACC,IAAI;IACND,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","null"],"mappings":"AAAA;;;;;;AAIA,IAASA,IAAI;IACTC,CAAC,CAAC;IACFA,CAAC,CAAC;IACFA,CAAC,CAAC;IACFA,CAAC,CAACC,IAAI;IACND,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/constant/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/constant/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/constant/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/constant/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/enum variant call/generated/tests/generator/enumVariantCall/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/enum variant call/generated/tests/generator/enumVariantCall/gen_input.py.map
index 4f57e6f19..683d830f2 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/enum variant call/generated/tests/generator/enumVariantCall/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/enum variant call/generated/tests/generator/enumVariantCall/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","myenum","variant1","variant2"],"mappings":"AAAA;;;;;;AASA,IAASA,IAAI;IACVC,CAAC,CAACC,MAAM,CAACC,QAAQ;IACjBF,CAAC,CAACC,MAAM,CAAEC,QAAQ;IAClBF,CAAC,CAACC,MAAM,CAACC,QAAQ;IACjBF,CAAC,CAACC,MAAM,CAAEC,QAAQ;IAClBF,CAAC,CAACC,MAAM,CAACE,QAAQ,CAAC,CAAC;IACnBH,CAAC,CAACC,MAAM,CAAEE,QAAQ,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","myenum","variant1","variant2"],"mappings":"AAAA;;;;;;AASA,IAASA,IAAI;IACVC,CAAC,CAACC,MAAM,CAACC,QAAQ;IACjBF,CAAC,CAACC,MAAM,CAAEC,QAAQ;IAClBF,CAAC,CAACC,MAAM,CAACC,QAAQ;IACjBF,CAAC,CAACC,MAAM,CAAEC,QAAQ;IAClBF,CAAC,CAACC,MAAM,CAACE,QAAQ,CAAC,CAAC;IACnBH,CAAC,CAACC,MAAM,CAAEE,QAAQ,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/enum variant call/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/enum variant call/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/enum variant call/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/enum variant call/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/expression lambda/generated/tests/generator/expressionLambda/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/expression lambda/generated/tests/generator/expressionLambda/gen_input.py.map
index a02c949dc..c671facea 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/expression lambda/generated/tests/generator/expressionLambda/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/expression lambda/generated/tests/generator/expressionLambda/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","a","b"],"mappings":"AAAA;;;;;;AAIA,IAASA,IAAI;IACTC,CAAC,CAAC,OAACC,CAAC,EAAEC,CAAC,CAAG,CAAC,EAAK,CAAC;IACjBF,CAAC,CAAC,OAACC,CAAC,EAAEC,CAAC,EAAK,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","a","b"],"mappings":"AAAA;;;;;;AAIA,IAASA,IAAI;IACTC,CAAC,CAAC,OAACC,CAAC,EAAEC,CAAC,CAAG,CAAC,EAAK,CAAC;IACjBF,CAAC,CAAC,OAACC,CAAC,EAAEC,CAAC,EAAK,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/expression lambda/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/expression lambda/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/expression lambda/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/expression lambda/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/indexed access/generated/tests/generator/indexedAccess/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/indexed access/generated/tests/generator/indexedAccess/gen_input.py.map
index 3d0633a9b..80d9fc9e5 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/indexed access/generated/tests/generator/indexedAccess/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/indexed access/generated/tests/generator/indexedAccess/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","param1","param2","f"],"mappings":"AAAA;;;;;;;;;;;;;;;;AAIA,IAAQA,IAAI,CAACC,MAAM,EAAaC,MAAM;IAClCC,CAAC,CAACF,MAAM,CAAC,CAAC;IACVE,CAAC,CAAO,8BAAC,CAAPD,MAAM,EAAE,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","param1","param2","f"],"mappings":"AAAA;;;;;;;;;;;;;;;;AAIA,IAAQA,IAAI,CAACC,MAAM,EAAaC,MAAM;IAClCC,CAAC,CAACF,MAAM,CAAC,CAAC;IACVE,CAAC,CAAO,8BAAC,CAAPD,MAAM,EAAE,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/indexed access/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/indexed access/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/indexed access/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/indexed access/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/infix operation/generated/tests/generator/infixOperation/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/infix operation/generated/tests/generator/infixOperation/gen_input.py.map
index 769a1696d..0b40662cf 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/infix operation/generated/tests/generator/infixOperation/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/infix operation/generated/tests/generator/infixOperation/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","or","g","and","h","i"],"mappings":"AAAA;;;;;;;;;;;;;;;;;;;;;;AAUA,IAASA,IAAI;IACTC,CAAC,CAAKC,cAAE,CAANC,CAAC,IAAMA,CAAC;IACVF,CAAC,CAAKG,eAAG,CAAPD,CAAC,IAAOA,CAAC;IAEXF,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAE,EAACA,CAAC;IACVJ,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAE,EAACA,CAAC;IACVJ,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAG,EAACA,CAAC;IACXJ,CAAC,CAAC,CAAAI,CAAC,IAAG,QAAIA,CAAC;IAEXJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IACTJ,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAE,EAACA,CAAC;IACVJ,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAE,EAACA,CAAC;IACVJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IAETJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IACTJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IACTJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IACTJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IAETJ,CAAC,CAAK,iBAAE,CAANK,CAAC,IAAMA,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","or","g","and","h","i"],"mappings":"AAAA;;;;;;;;;;;;;;;;;;;;;;AAUA,IAASA,IAAI;IACTC,CAAC,CAAKC,cAAE,CAANC,CAAC,IAAMA,CAAC;IACVF,CAAC,CAAKG,eAAG,CAAPD,CAAC,IAAOA,CAAC;IAEXF,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAE,EAACA,CAAC;IACVJ,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAE,EAACA,CAAC;IACVJ,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAG,EAACA,CAAC;IACXJ,CAAC,CAAC,CAAAI,CAAC,IAAG,QAAIA,CAAC;IAEXJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IACTJ,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAE,EAACA,CAAC;IACVJ,CAAC,CAAC,CAAAI,CAAC,IAAG,EAAE,EAACA,CAAC;IACVJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IAETJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IACTJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IACTJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IACTJ,CAAC,CAAC,CAAAI,CAAC,IAAG,CAAC,EAACA,CAAC;IAETJ,CAAC,CAAK,iBAAE,CAANK,CAAC,IAAMA,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/infix operation/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/infix operation/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/infix operation/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/infix operation/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/lists/generated/tests/generator/lists/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/lists/generated/tests/generator/lists/gen_input.py.map
index a18a07f49..fc8b23876 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/lists/generated/tests/generator/lists/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/lists/generated/tests/generator/lists/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","h"],"mappings":"AAAA;;;;;;AAMA,IAASA,IAAI;IACTC,CAAC,CAAC,EAAE;IACJA,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC;IACVA,CAAC,CAAC,CAAC,CAAC,EAAEC,CAAC,IAAI,CAAAA,CAAC,IAAG,CAAC,EAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","h"],"mappings":"AAAA;;;;;;AAMA,IAASA,IAAI;IACTC,CAAC,CAAC,EAAE;IACJA,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC;IACVA,CAAC,CAAC,CAAC,CAAC,EAAEC,CAAC,IAAI,CAAAA,CAAC,IAAG,CAAC,EAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/lists/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/lists/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/lists/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/lists/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/literals/generated/tests/generator/literals/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/literals/generated/tests/generator/literals/gen_input.py.map
index 5143651c0..24276afb1 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/literals/generated/tests/generator/literals/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/literals/generated/tests/generator/literals/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","true","false","null"],"mappings":"AAAA;;;;;;AAIA,IAASA,IAAI;IACTC,CAAC,CAACC,IAAI;IACND,CAAC,CAACE,KAAK;IACPF,CAAC,CAAC,GAAG;IACLA,CAAC,CAAC,CAAC;IACHA,CAAC,CAACG,IAAI;IACNH,CAAC,CAAC,EAAE;IACJA,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","true","false","null"],"mappings":"AAAA;;;;;;AAIA,IAASA,IAAI;IACTC,CAAC,CAACC,IAAI;IACND,CAAC,CAACE,KAAK;IACPF,CAAC,CAAC,GAAG;IACLA,CAAC,CAAC,CAAC;IACHA,CAAC,CAACG,IAAI;IACNH,CAAC,CAAC,EAAE;IACJA,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/literals/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/literals/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/literals/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/literals/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/maps/generated/tests/generator/maps/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/maps/generated/tests/generator/maps/gen_input.py.map
index f5d96a671..ba7b41cd6 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/maps/generated/tests/generator/maps/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/maps/generated/tests/generator/maps/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","g1","g2","h2","h1","g3"],"mappings":"AAAA;;;;;;AAYA,IAASA,IAAI;IACTC,EAAE,CAAC,EAAE;IACLC,EAAE,CAAC,CAAC,GAAG,EAAE,GAAG,EAAE,GAAG,EAAE,GAAG;IACtBA,EAAE,CAAC,CAACC,EAAE,IAAI,IAAI,EAAE,GAAG,EAAEC,EAAE;IACvBC,EAAE,CAAC,CAAC,GAAG,EAAE,GAAG,EAAE,GAAG,EAAE,GAAG;IACtBA,EAAE,CAAC,CAAC,GAAG,EAAE,GAAG,EAAED,EAAE,IAAID,EAAE","file":"gen_input.py"}
\ No newline at end of file
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\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/maps/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/maps/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/maps/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/maps/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/member access/generated/tests/generator/memberAccess/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/member access/generated/tests/generator/memberAccess/gen_input.py.map
index 629d62b0e..eeecdf253 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/member access/generated/tests/generator/memberAccess/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/member access/generated/tests/generator/memberAccess/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","g","h","result1","result2","c","a","b","factory","j","k","from_csv_file"],"mappings":"AAAA;;;;;;;;;;;;;;;;AA4BA,IAASA,IAAI;IACTC,CAAC,CAACC,CAAC;IACHD,CAAC,CAACE,CAAC,GAAGC,CAAO;IACbH,CAAC,CAACE,CAAC,GAAGE,CAAO;IACbJ,CAAC,CAACK,CAAC,GAAGC,CAAC;IACPN,CAAC,CAACK,CAAC,GAAGE,CAAC;IACPP,CAAC,CAAU,6BAAC,CAAVQ,OAAO,KAAIF,CAAC;IACdN,CAAC,CAAU,6BAAC,CAAVQ,OAAO,KAAID,CAAC;IACdP,CAAC,CAAO,CAAC,GAAPK,CAAC;IACHL,CAAC,CAACK,CAAC,GAAGI,CAAC,CAAC,GAAG;IACXT,CAAC,CAACK,CAAC,GAAGK,EAAC,CAAC,KAAK;IACbV,CAAC,CAACK,CAAC,CAACM,aAAa,CAAC,SAAS","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","g","h","result1","result2","c","a","b","factory","j","k","from_csv_file"],"mappings":"AAAA;;;;;;;;;;;;;;;;AA4BA,IAASA,IAAI;IACTC,CAAC,CAACC,CAAC;IACHD,CAAC,CAACE,CAAC,GAAGC,CAAO;IACbH,CAAC,CAACE,CAAC,GAAGE,CAAO;IACbJ,CAAC,CAACK,CAAC,GAAGC,CAAC;IACPN,CAAC,CAACK,CAAC,GAAGE,CAAC;IACPP,CAAC,CAAU,6BAAC,CAAVQ,OAAO,KAAIF,CAAC;IACdN,CAAC,CAAU,6BAAC,CAAVQ,OAAO,KAAID,CAAC;IACdP,CAAC,CAAO,CAAC,GAAPK,CAAC;IACHL,CAAC,CAACK,CAAC,GAAGI,CAAC,CAAC,GAAG;IACXT,CAAC,CAACK,CAAC,GAAGK,EAAC,CAAC,KAAK;IACbV,CAAC,CAACK,CAAC,CAACM,aAAa,CAAC,SAAS","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/member access/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/member access/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/member access/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/member access/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/parenthesized expression/generated/tests/generator/parenthesizedExpression/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/parenthesized expression/generated/tests/generator/parenthesizedExpression/gen_input.py.map
index ee09584f2..2b11857a2 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/parenthesized expression/generated/tests/generator/parenthesizedExpression/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/parenthesized expression/generated/tests/generator/parenthesizedExpression/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","g"],"mappings":"AAAA;;;;;;AAMA,IAASA,IAAI;IACTC,CAAC,CAAEC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","g"],"mappings":"AAAA;;;;;;AAMA,IAASA,IAAI;IACTC,CAAC,CAAEC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/parenthesized expression/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/parenthesized expression/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/parenthesized expression/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/parenthesized expression/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/prefix operation/generated/tests/generator/prefixOperation/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/prefix operation/generated/tests/generator/prefixOperation/gen_input.py.map
index 3d0555e7a..bf42dbf74 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/prefix operation/generated/tests/generator/prefixOperation/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/prefix operation/generated/tests/generator/prefixOperation/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","not","g","h"],"mappings":"AAAA;;;;;;AAQA,IAASA,IAAI;IACTC,CAAC,CAACC,GAAG,EAACC,CAAC;IACPF,CAAC,CAAC,CAAC,CAAAG,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","not","g","h"],"mappings":"AAAA;;;;;;AAQA,IAASA,IAAI;IACTC,CAAC,CAACC,GAAG,EAACC,CAAC;IACPF,CAAC,CAAC,CAAC,CAAAG,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/prefix operation/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/prefix operation/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/prefix operation/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/prefix operation/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/reference/generated/tests/generator/reference/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/reference/generated/tests/generator/reference/gen_input.py.map
index 24a709b4f..0740bed86 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/reference/generated/tests/generator/reference/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/reference/generated/tests/generator/reference/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","explainmodel"],"mappings":"AAAA;;;;;;AAQA,IAASA,IAAI;IACTC,CAAC,CAACC,aAAY","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","explainmodel"],"mappings":"AAAA;;;;;;AAQA,IAASA,IAAI;IACTC,CAAC,CAACC,aAAY","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/reference/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/reference/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/reference/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/reference/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/side effects/generated/tests/generator/sideEffects/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/side effects/generated/tests/generator/sideEffects/gen_input.py.map
index 399327106..d33126377 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/side effects/generated/tests/generator/sideEffects/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/side effects/generated/tests/generator/sideEffects/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["mysegment","param","f","result","test","null"],"mappings":"AAAA;;;;;;AAIA,IAAQA,SAAS,CAACC,KAAK;IACnBC,CAAC;IACD,YAAMC,MAAM,GAAGF,KAAK;IAFO,OAAG;;;;AAKlC,IAASG,IAAI;IACTJ,SAAS,CAAC;IACVA,SAAS,CAAC;IACVA,SAAS,CAAC;IACVA,SAAS,CAACK,IAAI;IACdL,SAAS,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["mysegment","param","f","result","test","null"],"mappings":"AAAA;;;;;;AAIA,IAAQA,SAAS,CAACC,KAAK;IACnBC,CAAC;IACD,YAAMC,MAAM,GAAGF,KAAK;IAFO,OAAG;;;;AAKlC,IAASG,IAAI;IACTJ,SAAS,CAAC;IACVA,SAAS,CAAC;IACVA,SAAS,CAAC;IACVA,SAAS,CAACK,IAAI;IACdL,SAAS,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/side effects/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/side effects/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/side effects/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/side effects/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/template string/generated/tests/generator/templateString/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/template string/generated/tests/generator/templateString/gen_input.py.map
index 04b921703..f53e59969 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/template string/generated/tests/generator/templateString/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/template string/generated/tests/generator/templateString/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","g"],"mappings":"AAAA;;;;;;AAMA,IAASA,IAAI;IACTC,CAAC,CAAC,EAAA,SACHC,CAAC,EAAG,YACEA,CAAC,EAAG","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","g"],"mappings":"AAAA;;;;;;AAMA,IAASA,IAAI;IACTC,CAAC,CAAC,EAAA,SACHC,CAAC,EAAG,YACEA,CAAC,EAAG","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/template string/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/template string/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/template string/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/template string/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/type casts/generated/tests/generation/expressions/typeCasts/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/expressions/type casts/generated/tests/generation/expressions/typeCasts/gen_input.py.map
index 360c197c0..6ab13050a 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/expressions/type casts/generated/tests/generation/expressions/typeCasts/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/expressions/type casts/generated/tests/generation/expressions/typeCasts/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["mysegment","p"],"mappings":"AAAA;;AAEA,IAAQA,SAAS,CAACC,CAAC;IACf,IAAQA,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["mysegment","p"],"mappings":"AAAA;;AAEA,IAAQA,SAAS,CAACC,CAAC;IACf,IAAQA,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/expressions/type casts/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/expressions/type casts/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/expressions/type casts/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/expressions/type casts/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/imports/general/context same package.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/imports/general/context same package.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/imports/general/context same package.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/imports/general/context same package.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/imports/general/generated/tests/generator/imports/gen_context_same_package.py.map b/packages/safe-ds-lang/tests/resources/generation/python/imports/general/generated/tests/generator/imports/gen_context_same_package.py.map
index 9285935a9..1cf523e17 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/imports/general/generated/tests/generator/imports/gen_context_same_package.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/imports/general/generated/tests/generator/imports/gen_context_same_package.py.map
@@ -1 +1 @@
-{"version":3,"sources":["context same package.sdstest"],"names":["segment1insamepackage","result","impurefunction","segment2insamepackage"],"mappings":"AAAA;;;;;;AAIA,IAAQA,qBAAqB;IACzB,YAAMC,MAAM,GAAGC,cAAc;IADD,OAAG;;AAInC,IAAQC,qBAAqB;IACzB,YAAMF,MAAM,GAAGC,cAAc;IADD,OAAG","file":"gen_context_same_package.py"}
\ No newline at end of file
+{"version":3,"sources":["context same package.sdsdev"],"names":["segment1insamepackage","result","impurefunction","segment2insamepackage"],"mappings":"AAAA;;;;;;AAIA,IAAQA,qBAAqB;IACzB,YAAMC,MAAM,GAAGC,cAAc;IADD,OAAG;;AAInC,IAAQC,qBAAqB;IACzB,YAAMF,MAAM,GAAGC,cAAc;IADD,OAAG","file":"gen_context_same_package.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/imports/general/generated/tests/generator/imports/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/imports/general/generated/tests/generator/imports/gen_input.py.map
index 5ccf5fb79..0272f82f5 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/imports/general/generated/tests/generator/imports/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/imports/general/generated/tests/generator/imports/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","segment1insamepackage","segment2insamepackage","function1indifferentpackage","g","function1incompilationunitwithpythonmodule","h"],"mappings":"AAAA;;;;;;;;;AASA,IAASA,IAAI;IACTC,CAAC,CAACC,qBAAqB;IACvBD,CAAC,CAACC,qBAAqB;IACvBD,CAAC,CAACE,qBAAqB;IACvBF,CAAC,CAACE,qBAAqB;IAEvBF,CAAC,CAACG,2BAA2B;IAC7BH,CAAC,CAACG,2BAA2B;IAC7BH,CAAC,CAACI,CAAC;IACHJ,CAAC,CAACI,CAAC;IAEHJ,CAAC,CAACK,0CAA0C;IAC5CL,CAAC,CAACK,0CAA0C;IAC5CL,CAAC,CAACM,CAAC;IACHN,CAAC,CAACM,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","segment1insamepackage","segment2insamepackage","function1indifferentpackage","g","function1incompilationunitwithpythonmodule","h"],"mappings":"AAAA;;;;;;;;;AASA,IAASA,IAAI;IACTC,CAAC,CAACC,qBAAqB;IACvBD,CAAC,CAACC,qBAAqB;IACvBD,CAAC,CAACE,qBAAqB;IACvBF,CAAC,CAACE,qBAAqB;IAEvBF,CAAC,CAACG,2BAA2B;IAC7BH,CAAC,CAACG,2BAA2B;IAC7BH,CAAC,CAACI,CAAC;IACHJ,CAAC,CAACI,CAAC;IAEHJ,CAAC,CAACK,0CAA0C;IAC5CL,CAAC,CAACK,0CAA0C;IAC5CL,CAAC,CAACM,CAAC;IACHN,CAAC,CAACM,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/imports/general/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/imports/general/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/imports/general/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/imports/general/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/imports/safeds/generated/tests/generator/safeds/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/imports/safeds/generated/tests/generator/safeds/gen_input.py.map
index aa4f058cf..834ab7021 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/imports/safeds/generated/tests/generator/safeds/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/imports/safeds/generated/tests/generator/safeds/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","table"],"mappings":"AAEA;;;;;;AAEA,IAASA,IAAI;IACT,IAAQC,KAAK","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","table"],"mappings":"AAEA;;;;;;AAEA,IAASA,IAAI;IACT,IAAQC,KAAK","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/imports/safeds/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/imports/safeds/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/imports/safeds/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/imports/safeds/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/imports/wildcard/generated/tests/generator/wildcard/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/imports/wildcard/generated/tests/generator/wildcard/gen_input.py.map
index cfa46b6c5..ccb267e68 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/imports/wildcard/generated/tests/generator/wildcard/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/imports/wildcard/generated/tests/generator/wildcard/gen_input.py.map
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f","function1indifferentpackage","function2indifferentpackage","function1incompilationunitwithpythonmodule","function2incompilationunitwithpythonmodule"],"mappings":"AAAA;;;;;;;;AAOA,IAASA,IAAI;IACTC,CAAC,CAACC,2BAA2B;IAC7BD,CAAC,CAACC,2BAA2B;IAC7BD,CAAC,CAACE,2BAA2B;IAC7BF,CAAC,CAACE,2BAA2B;IAE7BF,CAAC,CAACG,0CAA0C;IAC5CH,CAAC,CAACG,0CAA0C;IAC5CH,CAAC,CAACI,0CAA0C;IAC5CJ,CAAC,CAACI,0CAA0C","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f","function1indifferentpackage","function2indifferentpackage","function1incompilationunitwithpythonmodule","function2incompilationunitwithpythonmodule"],"mappings":"AAAA;;;;;;;;AAOA,IAASA,IAAI;IACTC,CAAC,CAACC,2BAA2B;IAC7BD,CAAC,CAACC,2BAA2B;IAC7BD,CAAC,CAACE,2BAA2B;IAC7BF,CAAC,CAACE,2BAA2B;IAE7BF,CAAC,CAACG,0CAA0C;IAC5CH,CAAC,CAACG,0CAA0C;IAC5CH,CAAC,CAACI,0CAA0C;IAC5CJ,CAAC,CAACI,0CAA0C","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/imports/wildcard/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/imports/wildcard/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/imports/wildcard/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/imports/wildcard/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file constant/generated/tests/generator/partialImpureDependencyFileConstant/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file constant/generated/tests/generator/partialImpureDependencyFileConstant/gen_input.py.map
index 075846e12..8e0f4bac6 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file constant/generated/tests/generator/partialImpureDependencyFileConstant/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file constant/generated/tests/generator/partialImpureDependencyFileConstant/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testpipeline","ifilewritea","ifilereada","ifilewriteb","ifilereadb","impurefilereadagain","impurefilereadagainb"],"mappings":"AAAA;;;;;;AAUA,IAASA,YAAY;IAEjB,kBAAsBC,WAAW;IACjC,mBAAuBA,WAAW;IAClC,sBAA0BC,UAAU;IAGpC,mBAAuBC,WAAW;IAClC,oBAAwBA,WAAW;IACnC,uBAA2BC,UAAU;IAGrC,SAAe,CAAAC,mBAAmB,EAAC,CAAC,EAACC,oBAAoB","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testpipeline","ifilewritea","ifilereada","ifilewriteb","ifilereadb","impurefilereadagain","impurefilereadagainb"],"mappings":"AAAA;;;;;;AAUA,IAASA,YAAY;IAEjB,kBAAsBC,WAAW;IACjC,mBAAuBA,WAAW;IAClC,sBAA0BC,UAAU;IAGpC,mBAAuBC,WAAW;IAClC,oBAAwBA,WAAW;IACnC,uBAA2BC,UAAU;IAGrC,SAAe,CAAAC,mBAAmB,EAAC,CAAC,EAACC,oBAAoB","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file constant/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file constant/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file constant/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file constant/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file parameter/generated/tests/generator/partialImpureDependencyFileParameter/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file parameter/generated/tests/generator/partialImpureDependencyFileParameter/gen_input.py.map
index c34a02f45..f5b3871fa 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file parameter/generated/tests/generator/partialImpureDependencyFileParameter/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file parameter/generated/tests/generator/partialImpureDependencyFileParameter/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testpipeline","ifilewrite","ifileread","impurefilereadagain"],"mappings":"AAAA;;;;;;AAMA,IAASA,YAAY;IAEjB,kBAAsBC,UAAU,CAAC,OAAO;IACxC,mBAAuBA,UAAU,CAAC,OAAO;IACzC,sBAA0BC,SAAS,CAAC,OAAO;IAG3C,SAAe,CAAAC,mBAAmB,EAAC,CAAC,EAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testpipeline","ifilewrite","ifileread","impurefilereadagain"],"mappings":"AAAA;;;;;;AAMA,IAASA,YAAY;IAEjB,kBAAsBC,UAAU,CAAC,OAAO;IACxC,mBAAuBA,UAAU,CAAC,OAAO;IACzC,sBAA0BC,SAAS,CAAC,OAAO;IAG3C,SAAe,CAAAC,mBAAmB,EAAC,CAAC,EAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file parameter/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file parameter/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file parameter/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency file parameter/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency/generated/tests/generator/partialImpureDependency/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency/generated/tests/generator/partialImpureDependency/gen_input.py.map
index 454595133..0082852a5 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency/generated/tests/generator/partialImpureDependency/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency/generated/tests/generator/partialImpureDependency/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testpipeline","i1","ifilewrite","nopartialevalint","r","fp","purevalueforimpure2","purevalueforimpure3","impurea2"],"mappings":"AAAA;;;;;;AAeA,IAASA,YAAY;IACjBC,EAAE,CAAC,CAAC;IAGJ,kBAAsBC,UAAU;IAChC,mBAAuBA,UAAU;IAEjC,sBAA0BC,gBAAgB,CAAC,CAAC;IAC5C,sBAA0B,CAAC;IAExB;QACCF,EAAE,CAAC,CAAC;QACJ,0BAAMG,CAAC,GAAG,CAAC;QAFZ,OAEC,0BAAMA,CAAC;IAFXC,EAAE,CAAC;IAIHJ,EAAE,CAAC,CAAC;IACJ,WAAeA,EAAE,CAACK,mBAAmB;IACrC,WAAeL,EAAE,CAACE,gBAAgB,CAACI,CAAmB;IACtDN,EAAE,CAAC,CAAC;IAGJ,SAAeA,EAAE,CAACO,QAAQ","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testpipeline","i1","ifilewrite","nopartialevalint","r","fp","purevalueforimpure2","purevalueforimpure3","impurea2"],"mappings":"AAAA;;;;;;AAeA,IAASA,YAAY;IACjBC,EAAE,CAAC,CAAC;IAGJ,kBAAsBC,UAAU;IAChC,mBAAuBA,UAAU;IAEjC,sBAA0BC,gBAAgB,CAAC,CAAC;IAC5C,sBAA0B,CAAC;IAExB;QACCF,EAAE,CAAC,CAAC;QACJ,0BAAMG,CAAC,GAAG,CAAC;QAFZ,OAEC,0BAAMA,CAAC;IAFXC,EAAE,CAAC;IAIHJ,EAAE,CAAC,CAAC;IACJ,WAAeA,EAAE,CAACK,mBAAmB;IACrC,WAAeL,EAAE,CAACE,gBAAgB,CAACI,CAAmB;IACtDN,EAAE,CAAC,CAAC;IAGJ,SAAeA,EAAE,CAACO,QAAQ","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/partial/impure dependency/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/pure dependency/generated/tests/generator/partialPureDependency/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/partial/pure dependency/generated/tests/generator/partialPureDependency/gen_input.py.map
index 1c46c00c1..2c4af7fe3 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/partial/pure dependency/generated/tests/generator/partialPureDependency/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/partial/pure dependency/generated/tests/generator/partialPureDependency/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testpipeline","false","null","g","boolean1","ldouble","lint","lnull","lstrmulti","z","f","g2","mapkey","mapvalue","nopartialevalint","listv1","listv3","list3","g3","list","o","value1","mapresult","listresult","g4","listvalue"],"mappings":"AAAA;;;;;;AAcA,IAASA,YAAY;IACjB,SAAaC,KAAK;IAGlB,UAAc,IAAI;IAGlB,OAAW,CAAC;IAGZ,QAAYC,IAAI;IAGhB,YAAgB;IAIhB,WAAe;IAGf,SAAaC,CAAC,CAACC,IAAQ,EAAEC,IAAO,EAAEC,CAAI,EAAEC,IAAK,EAAEC,aAAS;IAG9C;QACN,IAAQ,CAAC;QACT,KAAS,CAAC;QACV,IAAQ;QACR,KAAS;QACT,0BAAMC,CAAC,GAAG;QALJ,OAKN,0BAAMA,CAAC;IALX,IAAQ,CAAAC,CAAC,CAAC,uBAMP,CAAC,EAACA,CAAC,CAAC,SAAM,CAAC;IAcd,SAAa,KAAK;IAClB,WAAe,OAAO;IACtB,YAAgBC,EAAE,CAAC,CAACC,KAAM,EAAEC,OAAQ;IAMpC,SAAa,CAAC;IAEd,SAAaC,gBAAgB,CAACC,CAAM;IAEpC,OAAW,CAACA,CAAM;IAElB,QAAY,CAACC,MAAM;IACnB,YAAgBC,KAAK,CAAC,CAAC;IAEvB,aAAiBC,EAAE,CAACC,IAAI;IAIxB,SAAe,CAAO,CAAP,CAAA,CAAC,CAAAC,CAAC,GAAC,CAAC,EAAC,CAAC,GAAC,CAAC,EAACC,MAAM,GAAC,CAAC,EAAwB,CAAvB,CAAAC,SAAS,EAAC,CAAC,EAACC,UAAU,GAAC,CAAC,EAACC,EAAE,CAACC,SAAS","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testpipeline","false","null","g","boolean1","ldouble","lint","lnull","lstrmulti","z","f","g2","mapkey","mapvalue","nopartialevalint","listv1","listv3","list3","g3","list","o","value1","mapresult","listresult","g4","listvalue"],"mappings":"AAAA;;;;;;AAcA,IAASA,YAAY;IACjB,SAAaC,KAAK;IAGlB,UAAc,IAAI;IAGlB,OAAW,CAAC;IAGZ,QAAYC,IAAI;IAGhB,YAAgB;IAIhB,WAAe;IAGf,SAAaC,CAAC,CAACC,IAAQ,EAAEC,IAAO,EAAEC,CAAI,EAAEC,IAAK,EAAEC,aAAS;IAG9C;QACN,IAAQ,CAAC;QACT,KAAS,CAAC;QACV,IAAQ;QACR,KAAS;QACT,0BAAMC,CAAC,GAAG;QALJ,OAKN,0BAAMA,CAAC;IALX,IAAQ,CAAAC,CAAC,CAAC,uBAMP,CAAC,EAACA,CAAC,CAAC,SAAM,CAAC;IAcd,SAAa,KAAK;IAClB,WAAe,OAAO;IACtB,YAAgBC,EAAE,CAAC,CAACC,KAAM,EAAEC,OAAQ;IAMpC,SAAa,CAAC;IAEd,SAAaC,gBAAgB,CAACC,CAAM;IAEpC,OAAW,CAACA,CAAM;IAElB,QAAY,CAACC,MAAM;IACnB,YAAgBC,KAAK,CAAC,CAAC;IAEvB,aAAiBC,EAAE,CAACC,IAAI;IAIxB,SAAe,CAAO,CAAP,CAAA,CAAC,CAAAC,CAAC,GAAC,CAAC,EAAC,CAAC,GAAC,CAAC,EAACC,MAAM,GAAC,CAAC,EAAwB,CAAvB,CAAAC,SAAS,EAAC,CAAC,EAACC,UAAU,GAAC,CAAC,EAACC,EAAE,CAACC,SAAS","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/pure dependency/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/partial/pure dependency/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/partial/pure dependency/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/partial/pure dependency/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/redundant impurity/generated/tests/generator/partialRedundantImpurity/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/partial/redundant impurity/generated/tests/generator/partialRedundantImpurity/gen_input.py.map
index 33751af7b..cce2fb20f 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/partial/redundant impurity/generated/tests/generator/partialRedundantImpurity/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/partial/redundant impurity/generated/tests/generator/partialRedundantImpurity/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testpipeline","nopartialevalint","purevalue"],"mappings":"AAAA;;;;;;AAeA,IAASA,YAAY;IAMjB,YAAgBC,gBAAgB,CAAC,CAAC;IAalC,SAAe,CAAAC,SAAS,EAAC,CAAC,EAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testpipeline","nopartialevalint","purevalue"],"mappings":"AAAA;;;;;;AAeA,IAASA,YAAY;IAMjB,YAAgBC,gBAAgB,CAAC,CAAC;IAalC,SAAe,CAAAC,SAAS,EAAC,CAAC,EAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/partial/redundant impurity/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/partial/redundant impurity/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/partial/redundant impurity/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/partial/redundant impurity/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/python module/generated/special_module/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/python module/generated/special_module/gen_input.py.map
index b552e25b5..525896f88 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/python module/generated/special_module/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/python module/generated/special_module/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","f"],"mappings":"AAAA;;;;;;AAMA,IAAQA,IAAI;IACRC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","f"],"mappings":"AAAA;;;;;;AAMA,IAAQA,IAAI;IACRC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/python module/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/python module/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/python module/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/python module/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/main/generated/tests/generator/runnerIntegration/expressions/calls/main/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/main/generated/tests/generator/runnerIntegration/expressions/calls/main/gen_input.py.map
index 397450381..d5d5e2554 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/main/generated/tests/generator/runnerIntegration/expressions/calls/main/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/main/generated/tests/generator/runnerIntegration/expressions/calls/main/gen_input.py.map	
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["segment_a","a","result","test","f","g","param2","h","i","j","k","readfile","l","m"],"mappings":"AAAA;;;;;;;;;;;;;;;;;AAiEA,IAAQA,SAAS,CAACC,CAAC;IACf,YAAMC,MAAM,GAAG,CAAAD,CAAC,EAAC,CAAC,EAAC,CAAC;IADE,OAAG;;;;AA9B7B,IAASE,IAAI;IACTC,CAAC,CAAE,6GAAAC,CAAC,CAAC,CAAC,EA9BNC,MAAM,CA8BE,CAAC,IAAJ,CAAC,EAAE,CAAC;IACTF,CAAC,CAAE,6GAAAC,CAAC,CAAsB,CAAC,EA/B3BC,MAAM,CA+BQ,CAAC,IAAW,CAAC,EAAb,CAAC;IACfF,CAAC,CAAE,6GAAAG,CAAC,CAAC,CAAC,EA3BiBD,OAAM,CA2BrB,CAAC,IAAJ,CAAC,EAAE,CAAC;IACTF,CAAC,CAAE,6GAAAG,CAAC,CAAsB,CAAC,EA5BJD,OAAM,CA4Bf,CAAC,IAAW,CAAC,EAAb,CAAC;IACfF,CAAC,CAAE,iGAAAG,CAAC,GAAU,CAAC,EA7BsB,CAAC;IA8BpC,KAAK;IACL,KAAK,GAAE,GAAG;IACZ,EAAQ,GAAG,EAAT,IAAI;IAEL,oBAAC,CAAFH,CAAC,UAADA,CAAC,CAAG,6GAAAC,CAAC,CAAC,CAAC,EAvCPC,MAAM,CAuCG,CAAC,IAAJ,CAAC,EAAE,CAAC;IACT,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAG,6GAAAC,CAAC,CAAsB,CAAC,EAxC5BC,MAAM,CAwCS,CAAC,IAAW,CAAC,EAAb,CAAC;IACf,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAG,6GAAAG,CAAC,CAAC,CAAC,EApCgBD,OAAM,CAoCpB,CAAC,IAAJ,CAAC,EAAE,CAAC;IACT,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAG,6GAAAG,CAAC,CAAsB,CAAC,EArCLD,OAAM,CAqCd,CAAC,IAAW,CAAC,EAAb,CAAC;IACf,oBAAC,CAAFF,CAAC,UAADA,CAAC,CAAG,iGAAAG,CAAC,GAAU,CAAC,EAtCqB,CAAC;IAuCrC,oBAAC,CAAFC,CAAC,UAAE,KAAK;IACP,oBAAC,CAAFC,CAAC,UAAE,KAAK,GAAE,GAAG;IACZ,oBAAC,CAAFC,CAAC,UAAD,EAAS,GAAG,EAAT,IAAI;IAEPN,CAAC,CAAC,wGAAAO,QAAQ,OAAR,iCAAU;IACZP,CAAC,CAACQ,CAAC,CAAC,OAACX,CAAC,EAAKD,SAAS,CAACC,CAAC;IACtBG,CAAC,CAACQ,CAAC,CAAC,OAACX,CAAC,EAAK,CAAA,CAAC,EAAC,CAAC,EAACD,SAAS,CAACC,CAAC;IAC1BG,CAAC,CAACQ,CAAC,CAAC,OAACX,CAAC,EAAK,iGAAAY,CAAC,GAAC,CAAA,CAAC,EAAC,CAAC,EAACb,SAAS,CAACC,CAAC;IAC5BG,CAAC,CAACQ,CAAC,CAAC,OAACX,CAAC,EAAK,CAAA,CAAC,EAAC,CAAC,EAAC,iGAAAY,CAAC,GAAC,iGAAAA,CAAC,GAAC,CAAA,CAAC,EAAC,CAAC,EAACb,SAAS,CAACC,CAAC;IAC9B,yBAACA,CAAC;QAAG,0BAAMC,MAAM,GAAGF,SAAS,CAACC,CAAC;QAA/B,OAAK,0BAAMC,MAAM;IAArBE,CAAC,CAACQ,CAAC,CAAC;IACA,yBAACX,CAAC;QAAG,0BAAMC,MAAM,GAAG,iGAAAW,CAAC,GAACb,SAAS,CAACC,CAAC;QAAjC,OAAK,0BAAMC,MAAM;IAArBE,CAAC,CAACQ,CAAC,CAAC;IACJR,CAAC,CAAC,iGAAAQ,CAAC,GAAC,OAACX,CAAC,EAAK,CAAA,CAAC,EAAC,CAAC,EAACA,CAAC;IACZ,yBAACA,CAAC;QAAG,0BAAMC,MAAM,GAAG,CAAA,CAAC,EAAC,CAAC,EAAC,iGAAAW,CAAC,GAACZ,CAAC;QAA3B,OAAK,0BAAMC,MAAM;IAArBE,CAAC,CAAC,iGAAAQ,CAAC,GAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/main/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/main/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/main/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/main/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/of classes/generated/tests/generator/runnerIntegration/expressions/calls/ofClasses/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/of classes/generated/tests/generator/runnerIntegration/expressions/calls/ofClasses/gen_input.py.map
index f158d45c9..cf11ff1ca 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/of classes/generated/tests/generator/runnerIntegration/expressions/calls/ofClasses/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/of classes/generated/tests/generator/runnerIntegration/expressions/calls/ofClasses/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["test","myclass"],"mappings":"AAEA;;;;;;;AAIA,IAASA,IAAI;IACT,IAAQ,4GAAAC,OAAO,GAAC,CAAC;IAAjB","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["test","myclass"],"mappings":"AAEA;;;;;;;AAIA,IAASA,IAAI;IACT,IAAQ,4GAAAC,OAAO,GAAC,CAAC;IAAjB","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/of classes/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/of classes/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/of classes/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/calls/of classes/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/member access/generated/tests/generator/memberAccessWithRunnerIntegration/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/member access/generated/tests/generator/memberAccessWithRunnerIntegration/gen_input.py.map
index 1508d85f9..dde49469d 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/member access/generated/tests/generator/memberAccessWithRunnerIntegration/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/member access/generated/tests/generator/memberAccessWithRunnerIntegration/gen_input.py.map	
@@ -1 +1 @@
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diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/member access/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/member access/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/member access/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/runner integration/expressions/member access/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/context same package.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/context same package.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/context same package.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/context same package.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/generated/tests/generator/importsWithRunnerIntegration/gen_context_same_package.py.map b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/generated/tests/generator/importsWithRunnerIntegration/gen_context_same_package.py.map
index c401fa27d..4fafff457 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/generated/tests/generator/importsWithRunnerIntegration/gen_context_same_package.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/generated/tests/generator/importsWithRunnerIntegration/gen_context_same_package.py.map	
@@ -1 +1 @@
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diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/generated/tests/generator/importsWithRunnerIntegration/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/generated/tests/generator/importsWithRunnerIntegration/gen_input.py.map
index 9c2d3b235..a72f5930a 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/generated/tests/generator/importsWithRunnerIntegration/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/generated/tests/generator/importsWithRunnerIntegration/gen_input.py.map	
@@ -1 +1 @@
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diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/general/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/wildcard/generated/tests/generator/wildcardWithRunnerIntegration/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/wildcard/generated/tests/generator/wildcardWithRunnerIntegration/gen_input.py.map
index d3858f1fa..2a6196424 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/wildcard/generated/tests/generator/wildcardWithRunnerIntegration/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/wildcard/generated/tests/generator/wildcardWithRunnerIntegration/gen_input.py.map	
@@ -1 +1 @@
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diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/wildcard/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/wildcard/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/wildcard/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/runner integration/imports/wildcard/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/statements/assignment/generated/tests/generator/assignmentWithRunnerIntegration/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/statements/assignment/generated/tests/generator/assignmentWithRunnerIntegration/gen_input.py.map
index 348cc804d..df56226b3 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/statements/assignment/generated/tests/generator/assignmentWithRunnerIntegration/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/statements/assignment/generated/tests/generator/assignmentWithRunnerIntegration/gen_input.py.map	
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/runner integration/statements/assignment/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/runner integration/statements/assignment/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/runner integration/statements/assignment/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/runner integration/statements/assignment/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/main/generated/tests/generator/assignment/main/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/main/generated/tests/generator/assignment/main/gen_input.py.map
index 89fab56e8..3d489c78f 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/main/generated/tests/generator/assignment/main/gen_input.py.map
+++ b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/main/generated/tests/generator/assignment/main/gen_input.py.map
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/main/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/main/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/main/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/main/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is class call/generated/tests/generator/assignment/rhsIsClassCall/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is class call/generated/tests/generator/assignment/rhsIsClassCall/gen_input.py.map
index cafc25242..4fdda6580 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is class call/generated/tests/generator/assignment/rhsIsClassCall/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is class call/generated/tests/generator/assignment/rhsIsClassCall/gen_input.py.map	
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testpipeline","myclass1"],"mappings":"AAEA;;;;;;AAIA,IAASA,YAAY;IACjB,IAAQC,QAAQ","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is class call/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is class call/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is class call/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is class call/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is enum variant call/generated/tests/generator/assignment/rhsIsEnumVariantCall/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is enum variant call/generated/tests/generator/assignment/rhsIsEnumVariantCall/gen_input.py.map
index b6ab5c47b..758181cbf 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is enum variant call/generated/tests/generator/assignment/rhsIsEnumVariantCall/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is enum variant call/generated/tests/generator/assignment/rhsIsEnumVariantCall/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testpipeline","myenum1","myenumvariant1"],"mappings":"AAEA;;;;;;AAMA,IAASA,YAAY;IACjB,IAAQC,OAAO,CAACC,cAAc,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testpipeline","myenum1","myenumvariant1"],"mappings":"AAEA;;;;;;AAMA,IAASA,YAAY;IACjB,IAAQC,OAAO,CAACC,cAAc,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is enum variant call/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is enum variant call/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is enum variant call/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/statements/assignments/rhs is enum variant call/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/expression statement/generated/tests/generator/expressionStatement/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/statements/expression statement/generated/tests/generator/expressionStatement/gen_input.py.map
index f961298e7..37d7d1f49 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/statements/expression statement/generated/tests/generator/expressionStatement/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/statements/expression statement/generated/tests/generator/expressionStatement/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testsegment","g","testpipeline","f"],"mappings":"AAAA;;;;;;AAcA,IAAQA,WAAW;IACfC,CAAC;;;;AATL,IAASC,YAAY;IACjBD,CAAC;IAEC;QACEA,CAAC;IADLE,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testsegment","g","testpipeline","f"],"mappings":"AAAA;;;;;;AAcA,IAAQA,WAAW;IACfC,CAAC;;;;AATL,IAASC,YAAY;IACjBD,CAAC;IAEC;QACEA,CAAC;IADLE,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/expression statement/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/statements/expression statement/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/statements/expression statement/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/statements/expression statement/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/statement without effect/generated/tests/generator/statementWithoutEffect/gen_input.py.map b/packages/safe-ds-lang/tests/resources/generation/python/statements/statement without effect/generated/tests/generator/statementWithoutEffect/gen_input.py.map
index 1f5371931..5b39405a5 100644
--- a/packages/safe-ds-lang/tests/resources/generation/python/statements/statement without effect/generated/tests/generator/statementWithoutEffect/gen_input.py.map	
+++ b/packages/safe-ds-lang/tests/resources/generation/python/statements/statement without effect/generated/tests/generator/statementWithoutEffect/gen_input.py.map	
@@ -1 +1 @@
-{"version":3,"sources":["input.sdstest"],"names":["testsegment","testpipeline","f"],"mappings":"AAAA;;;;;;AAcA,IAAQA,WAAW;IAAG;;;;AAVtB,IAASC,YAAY;IAIf;QAAG;IAALC,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
+{"version":3,"sources":["input.sdsdev"],"names":["testsegment","testpipeline","f"],"mappings":"AAAA;;;;;;AAcA,IAAQA,WAAW;IAAG;;;;AAVtB,IAASC,YAAY;IAIf;QAAG;IAALC,CAAC,CAAC","file":"gen_input.py"}
\ No newline at end of file
diff --git a/packages/safe-ds-lang/tests/resources/generation/python/statements/statement without effect/input.sdstest b/packages/safe-ds-lang/tests/resources/generation/python/statements/statement without effect/input.sdsdev
similarity index 100%
rename from packages/safe-ds-lang/tests/resources/generation/python/statements/statement without effect/input.sdstest
rename to packages/safe-ds-lang/tests/resources/generation/python/statements/statement without effect/input.sdsdev
diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/bad-unclosed argument list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/bad-unclosed argument list.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-empty argument list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-empty argument list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-multiple arguments.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-multiple arguments.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-named argument.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-named argument.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-no argument list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-no argument list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-positional argument.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotation calls/good-positional argument.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/bad-unclosed constraint list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/bad-unclosed constraint list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/bad-unclosed parameter list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/bad-unclosed parameter list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/good-annotation call.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/good-annotation call.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/good-no parameter list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/good-no parameter list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/good-with constraint list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/good-with constraint list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/good-with parameter list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/annotations/good-with parameter list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/attributes/good-annotated.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/attributes/good-annotated.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/attributes/good-no type.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/attributes/good-no type.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/attributes/good-static.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/attributes/good-static.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/attributes/good-with type.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/attributes/good-with type.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-empty parent type list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-empty parent type list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-unclosed body.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-unclosed body.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-unclosed constraint list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-unclosed constraint list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-unclosed parameter list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-unclosed parameter list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-unclosed type parameter list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/bad-unclosed type parameter list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-annotation call.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-annotation call.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-empty body.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-empty body.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-minimal.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-minimal.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-multiple parent types.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-multiple parent types.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-one parent type.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-one parent type.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-with constraint list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-with constraint list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-with parameter list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-with parameter list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-with type parameter list.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/good-with type parameter list.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/methods/good-annotated instance method.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/methods/good-annotated instance method.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/methods/good-annotated static method.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/methods/good-annotated static method.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/nested classes/good-annotated nested class.sdstest b/packages/safe-ds-lang/tests/resources/grammar/declarations/classes/nested classes/good-annotated nested class.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/validation/types/checking/type parameter bounds for named types/main.sdstest b/packages/safe-ds-lang/tests/resources/validation/types/checking/type parameter bounds for named types/main.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/validation/types/type hints/missing for attribute/main.sdstest b/packages/safe-ds-lang/tests/resources/validation/types/type hints/missing for attribute/main.sdsdev
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diff --git a/packages/safe-ds-lang/tests/resources/validation/types/type hints/missing for result/main.sdstest b/packages/safe-ds-lang/tests/resources/validation/types/type hints/missing for result/main.sdsdev
similarity index 100%
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diff --git a/packages/safe-ds-vscode/package.json b/packages/safe-ds-vscode/package.json
index adaa1ba45..8cceffb1a 100644
--- a/packages/safe-ds-vscode/package.json
+++ b/packages/safe-ds-vscode/package.json
@@ -55,16 +55,43 @@
                 "id": "safe-ds",
                 "aliases": [
                     "Safe-DS",
-                    "safe-ds",
                     "SafeDS",
-                    "safeds",
-                    "SDS",
-                    "sds"
+                    "SDS"
                 ],
                 "extensions": [
-                    ".sdspipe",
-                    ".sdsstub",
-                    ".sdstest"
+                    ".sds"
+                ],
+                "configuration": "./language-configuration.json",
+                "icon": {
+                    "light": "img/safe-ds_file_icon_light.svg",
+                    "dark": "img/safe-ds_file_icon_dark.svg"
+                }
+            },
+            {
+                "id": "safe-ds-stub",
+                "aliases": [
+                    "Safe-DS Stub",
+                    "SafeDS Stub",
+                    "SDS Stub"
+                ],
+                "extensions": [
+                    ".sdsstub"
+                ],
+                "configuration": "./language-configuration.json",
+                "icon": {
+                    "light": "img/safe-ds_file_icon_light.svg",
+                    "dark": "img/safe-ds_file_icon_dark.svg"
+                }
+            },
+            {
+                "id": "safe-ds-dev",
+                "aliases": [
+                    "Safe-DS Dev",
+                    "SafeDS Dev",
+                    "SDS Dev"
+                ],
+                "extensions": [
+                    ".sdsdev"
                 ],
                 "configuration": "./language-configuration.json",
                 "icon": {
@@ -78,6 +105,30 @@
                 "language": "safe-ds",
                 "scopeName": "source.safe-ds",
                 "path": "./syntaxes/safe-ds.tmLanguage.json"
+            },
+            {
+                "language": "safe-ds-stub",
+                "scopeName": "source.safe-ds-stub",
+                "path": "./syntaxes/safe-ds-stub.tmLanguage.json"
+            },
+            {
+                "language": "safe-ds-dev",
+                "scopeName": "source.safe-ds-stub",
+                "path": "./syntaxes/safe-ds-stub.tmLanguage.json"
+            }
+        ],
+        "snippets": [
+            {
+                "language": "safe-ds",
+                "path": "./snippets/safe-ds.json"
+            },
+            {
+                "language": "safe-ds-stub",
+                "path": "./snippets/safe-ds-stub.json"
+            },
+            {
+                "language": "safe-ds-dev",
+                "path": "./snippets/safe-ds-dev.json"
             }
         ],
         "configuration": {
@@ -162,6 +213,20 @@
                 "editor.wordBasedSuggestions": "off",
                 "editor.wordSeparators": "`~!@#%^&*()-=+[]{}\\|;:'\",.<>/?»«",
                 "files.trimTrailingWhitespace": true
+            },
+            "[safe-ds-stub]": {
+                "editor.semanticHighlighting.enabled": true,
+                "editor.suggest.snippetsPreventQuickSuggestions": true,
+                "editor.wordBasedSuggestions": "off",
+                "editor.wordSeparators": "`~!@#%^&*()-=+[]{}\\|;:'\",.<>/?»«",
+                "files.trimTrailingWhitespace": true
+            },
+            "[safe-ds-dev]": {
+                "editor.semanticHighlighting.enabled": true,
+                "editor.suggest.snippetsPreventQuickSuggestions": true,
+                "editor.wordBasedSuggestions": "off",
+                "editor.wordSeparators": "`~!@#%^&*()-=+[]{}\\|;:'\",.<>/?»«",
+                "files.trimTrailingWhitespace": true
             }
         },
         "menus": {
@@ -205,12 +270,6 @@
                 "title": "Update the Safe-DS Runner",
                 "category": "Safe-DS"
             }
-        ],
-        "snippets": [
-            {
-                "language": "safe-ds",
-                "path": "./snippets/safe-ds.json"
-            }
         ]
     },
     "type": "module",
diff --git a/packages/safe-ds-vscode/snippets/safe-ds-dev.json b/packages/safe-ds-vscode/snippets/safe-ds-dev.json
new file mode 100644
index 000000000..bfc63a32d
--- /dev/null
+++ b/packages/safe-ds-vscode/snippets/safe-ds-dev.json
@@ -0,0 +1,100 @@
+{
+    "Import": {
+        "prefix": ["from", "import"],
+        "body": ["from $1 import $0"],
+        "description": "Import of declarations from a package."
+    },
+    "Minimal Annotation": {
+        "prefix": ["minimal-annotation"],
+        "body": ["annotation ${0:MyAnnotation}"],
+        "description": "A minimal annotation."
+    },
+    "Annotation": {
+        "prefix": ["annotation"],
+        "body": ["annotation ${1:MyAnnotation}${2:($3)} ${4:where {$0\\}}"],
+        "description": "An annotation."
+    },
+    "Attribute": {
+        "prefix": ["attribute"],
+        "body": ["${1|static |}attr ${2:myAttribute}: $0"],
+        "description": "An attribute."
+    },
+    "Minimal Class": {
+        "prefix": ["minimal-class"],
+        "body": ["class ${0:MyClass}"],
+        "description": "A minimal class."
+    },
+    "Class": {
+        "prefix": ["class"],
+        "body": ["class ${1:MyClass}${2:<$3>}${4:($5)} ${6:sub $7} ${8:where {$9\\}} ${10:{$0\\}}"],
+        "description": "A class."
+    },
+    "Enum": {
+        "prefix": ["enumeration"],
+        "body": ["enum ${1:MyEnum} {", "    $0", "}"],
+        "description": "An enumeration."
+    },
+    "Minimal Pure Function": {
+        "prefix": ["minimal-pure-function"],
+        "body": ["@Pure", "fun ${1:myFunction}($0)"],
+        "description": "A minimal pure function."
+    },
+    "Function": {
+        "prefix": ["function"],
+        "body": ["${1|@Pure,@Impure([])|}", "fun ${2:myFunction}${3:<$4>}($5) ${6:-> ($7)} ${8:where {$0\\}}"],
+        "description": "A function."
+    },
+    "Minimal Pure Method": {
+        "prefix": ["minimal-pure-method"],
+        "body": ["@Pure", "${1|static |}fun ${2:myMethod}($0)"],
+        "description": "A minimal pure method."
+    },
+    "Method": {
+        "prefix": ["method"],
+        "body": [
+            "${1|@Pure,@Impure([])|}",
+            "${2|static |}fun ${3:myMethod}${4:<$5>}($6) ${7:-> ($8)} ${9:where {$0\\}}"
+        ],
+        "description": "A method."
+    },
+    "Schema": {
+        "prefix": ["schema"],
+        "body": ["schema ${1:MySchema} {", "    $0", "}"],
+        "description": "A schema."
+    },
+    "Pipeline": {
+        "prefix": ["pipeline"],
+        "body": ["pipeline ${1:myPipeline} {", "    $0", "}"],
+        "description": "A pipeline."
+    },
+    "Segment": {
+        "prefix": ["segment"],
+        "body": ["${1|internal ,private |}segment ${2:mySegment}($3) ${4:-> ($5)} ${6:where {$7\\}} {", "    $0", "}"],
+        "description": "A segment."
+    },
+    "Minimal Segment": {
+        "prefix": ["minimal-segment"],
+        "body": ["${1|internal ,private |}segment ${2:mySegment}($3) {", "    $0", "}"],
+        "description": "A segment."
+    },
+    "Block Lambda": {
+        "prefix": ["block-lambda"],
+        "body": ["($1) -> {", "    $0", "}"],
+        "description": "A lambda that executes a list of statements."
+    },
+    "Expression Lambda": {
+        "prefix": ["expression-lambda"],
+        "body": ["($1) -> $0"],
+        "description": "A lambda that returns a single expression."
+    },
+    "Block Comment": {
+        "prefix": ["block-comment"],
+        "body": ["/*", " * $0", " */"],
+        "description": "A block comment."
+    },
+    "Documentation Comment": {
+        "prefix": ["documentation-comment"],
+        "body": ["/**", " * $0", " */"],
+        "description": "A documentation comment."
+    }
+}
diff --git a/packages/safe-ds-vscode/snippets/safe-ds-stub.json b/packages/safe-ds-vscode/snippets/safe-ds-stub.json
new file mode 100644
index 000000000..ddd5c318e
--- /dev/null
+++ b/packages/safe-ds-vscode/snippets/safe-ds-stub.json
@@ -0,0 +1,75 @@
+{
+    "Import": {
+        "prefix": ["from", "import"],
+        "body": ["from $1 import $0"],
+        "description": "Import of declarations from a package."
+    },
+    "Minimal Annotation": {
+        "prefix": ["minimal-annotation"],
+        "body": ["annotation ${0:MyAnnotation}"],
+        "description": "A minimal annotation."
+    },
+    "Annotation": {
+        "prefix": ["annotation"],
+        "body": ["annotation ${1:MyAnnotation}${2:($3)} ${4:where {$0\\}}"],
+        "description": "An annotation."
+    },
+    "Attribute": {
+        "prefix": ["attribute"],
+        "body": ["${1|static |}attr ${2:myAttribute}: $0"],
+        "description": "An attribute."
+    },
+    "Minimal Class": {
+        "prefix": ["minimal-class"],
+        "body": ["class ${0:MyClass}"],
+        "description": "A minimal class."
+    },
+    "Class": {
+        "prefix": ["class"],
+        "body": ["class ${1:MyClass}${2:<$3>}${4:($5)} ${6:sub $7} ${8:where {$9\\}} ${10:{$0\\}}"],
+        "description": "A class."
+    },
+    "Enum": {
+        "prefix": ["enumeration"],
+        "body": ["enum ${1:MyEnum} {", "    $0", "}"],
+        "description": "An enumeration."
+    },
+    "Minimal Pure Function": {
+        "prefix": ["minimal-pure-function"],
+        "body": ["@Pure", "fun ${1:myFunction}($0)"],
+        "description": "A minimal pure function."
+    },
+    "Function": {
+        "prefix": ["function"],
+        "body": ["${1|@Pure,@Impure([])|}", "fun ${2:myFunction}${3:<$4>}($5) ${6:-> ($7)} ${8:where {$0\\}}"],
+        "description": "A function."
+    },
+    "Minimal Pure Method": {
+        "prefix": ["minimal-pure-method"],
+        "body": ["@Pure", "${1|static |}fun ${2:myMethod}($0)"],
+        "description": "A minimal pure method."
+    },
+    "Method": {
+        "prefix": ["method"],
+        "body": [
+            "${1|@Pure,@Impure([])|}",
+            "${2|static |}fun ${3:myMethod}${4:<$5>}($6) ${7:-> ($8)} ${9:where {$0\\}}"
+        ],
+        "description": "A method."
+    },
+    "Schema": {
+        "prefix": ["schema"],
+        "body": ["schema ${1:MySchema} {", "    $0", "}"],
+        "description": "A schema."
+    },
+    "Block Comment": {
+        "prefix": ["block-comment"],
+        "body": ["/*", " * $0", " */"],
+        "description": "A block comment."
+    },
+    "Documentation Comment": {
+        "prefix": ["documentation-comment"],
+        "body": ["/**", " * $0", " */"],
+        "description": "A documentation comment."
+    }
+}
diff --git a/packages/safe-ds-vscode/snippets/safe-ds.json b/packages/safe-ds-vscode/snippets/safe-ds.json
index a71776048..6e36b9f8c 100644
--- a/packages/safe-ds-vscode/snippets/safe-ds.json
+++ b/packages/safe-ds-vscode/snippets/safe-ds.json
@@ -4,64 +4,6 @@
         "body": ["from $1 import $0"],
         "description": "Import of declarations from a package."
     },
-    "Minimal Annotation": {
-        "prefix": ["minimal-annotation"],
-        "body": ["annotation ${0:MyAnnotation}"],
-        "description": "A minimal annotation."
-    },
-    "Annotation": {
-        "prefix": ["annotation"],
-        "body": ["annotation ${1:MyAnnotation}${2:($3)} ${4:where {$0\\}}"],
-        "description": "An annotation."
-    },
-    "Attribute": {
-        "prefix": ["attribute"],
-        "body": ["${1|static |}attr ${2:myAttribute}: $0"],
-        "description": "An attribute."
-    },
-    "Minimal Class": {
-        "prefix": ["minimal-class"],
-        "body": ["class ${0:MyClass}"],
-        "description": "A minimal class."
-    },
-    "Class": {
-        "prefix": ["class"],
-        "body": ["class ${1:MyClass}${2:<$3>}${4:($5)} ${6:sub $7} ${8:where {$9\\}} ${10:{$0\\}}"],
-        "description": "A class."
-    },
-    "Enum": {
-        "prefix": ["enumeration"],
-        "body": ["enum ${1:MyEnum} {", "    $0", "}"],
-        "description": "An enumeration."
-    },
-    "Minimal Pure Function": {
-        "prefix": ["minimal-pure-function"],
-        "body": ["@Pure", "fun ${1:myFunction}($0)"],
-        "description": "A minimal pure function."
-    },
-    "Function": {
-        "prefix": ["function"],
-        "body": ["${1|@Pure,@Impure([])|}", "fun ${2:myFunction}${3:<$4>}($5) ${6:-> ($7)} ${8:where {$0\\}}"],
-        "description": "A function."
-    },
-    "Minimal Pure Method": {
-        "prefix": ["minimal-pure-method"],
-        "body": ["@Pure", "${1|static |}fun ${2:myMethod}($0)"],
-        "description": "A minimal pure method."
-    },
-    "Method": {
-        "prefix": ["method"],
-        "body": [
-            "${1|@Pure,@Impure([])|}",
-            "${2|static |}fun ${3:myMethod}${4:<$5>}($6) ${7:-> ($8)} ${9:where {$0\\}}"
-        ],
-        "description": "A method."
-    },
-    "Schema": {
-        "prefix": ["schema"],
-        "body": ["schema ${1:MySchema} {", "    $0", "}"],
-        "description": "A schema."
-    },
     "Pipeline": {
         "prefix": ["pipeline"],
         "body": ["pipeline ${1:myPipeline} {", "    $0", "}"],
@@ -71,7 +13,7 @@
         "prefix": ["segment"],
         "body": ["${1|internal ,private |}segment ${2:mySegment}($3) ${4:-> ($5)} ${6:where {$7\\}} {", "    $0", "}"],
         "description": "A segment."
-    },    
+    },
     "Minimal Segment": {
         "prefix": ["minimal-segment"],
         "body": ["${1|internal ,private |}segment ${2:mySegment}($3) {", "    $0", "}"],
diff --git a/packages/safe-ds-vscode/src/extension/mainClient.ts b/packages/safe-ds-vscode/src/extension/mainClient.ts
index 6e43de7e6..e6a1d2832 100644
--- a/packages/safe-ds-vscode/src/extension/mainClient.ts
+++ b/packages/safe-ds-vscode/src/extension/mainClient.ts
@@ -85,12 +85,16 @@ const createLanguageClient = function (context: vscode.ExtensionContext): Langua
         debug: { module: serverModule, transport: TransportKind.ipc, options: debugOptions },
     };
 
-    const fileSystemWatcher = vscode.workspace.createFileSystemWatcher('**/*.{sdspipe,sdsstub,sdstest}');
+    const fileSystemWatcher = vscode.workspace.createFileSystemWatcher('**/*.{sds,sdsstub,sdsdev}');
     context.subscriptions.push(fileSystemWatcher);
 
     // Options to control the language client
     const clientOptions: LanguageClientOptions = {
-        documentSelector: [{ scheme: 'file', language: 'safe-ds' }],
+        documentSelector: [
+            { scheme: 'file', language: 'safe-ds' },
+            { scheme: 'file', language: 'safe-ds-stub' },
+            { scheme: 'file', language: 'safe-ds-dev' },
+        ],
         synchronize: {
             // Notify the server about file changes to files contained in the workspace
             fileEvents: fileSystemWatcher,
@@ -341,7 +345,7 @@ export const getPipelineDocument = async function (
         .forEach((oldDocument) => {
             services.shared.workspace.LangiumDocuments.deleteDocument(oldDocument.uri);
         });
-    const workspaceSdsFiles = await vscode.workspace.findFiles('**/*.{sdspipe,sdsstub,sdstest}');
+    const workspaceSdsFiles = await vscode.workspace.findFiles('**/*.{sds,sdsstub,sdsdev}');
     // Load all documents
     const unvalidatedSdsDocuments = await Promise.all(
         workspaceSdsFiles.map((newDocumentUri) =>
diff --git a/packages/safe-ds-vscode/syntaxes/safe-ds-dev.tmLanguage.json b/packages/safe-ds-vscode/syntaxes/safe-ds-dev.tmLanguage.json
new file mode 100644
index 000000000..53bf3bd55
--- /dev/null
+++ b/packages/safe-ds-vscode/syntaxes/safe-ds-dev.tmLanguage.json
@@ -0,0 +1,18 @@
+{
+    "name": "safe-ds-dev",
+    "scopeName": "source.safe-ds-dev",
+    "fileTypes": [".sdsdev"],
+    "patterns": [
+        {
+            "include": "source.safe-ds#shared"
+        },
+        {
+            "name": "storage.type.safe-ds-dev",
+            "match": "\\b(annotation|attr|class|enum|fun|package|pipeline|schema|segment|val)\\b"
+        },
+        {
+            "name": "storage.modifier.safe-ds-dev",
+            "match": "\\b(const|in|internal|out|private|static)\\b"
+        }
+    ]
+}
diff --git a/packages/safe-ds-vscode/syntaxes/safe-ds-stub.tmLanguage.json b/packages/safe-ds-vscode/syntaxes/safe-ds-stub.tmLanguage.json
new file mode 100644
index 000000000..bdabc3958
--- /dev/null
+++ b/packages/safe-ds-vscode/syntaxes/safe-ds-stub.tmLanguage.json
@@ -0,0 +1,18 @@
+{
+    "name": "safe-ds-stub",
+    "scopeName": "source.safe-ds-stub",
+    "fileTypes": [".sdsstub"],
+    "patterns": [
+        {
+            "include": "source.safe-ds#shared"
+        },
+        {
+            "name": "storage.type.safe-ds-stub",
+            "match": "\\b(annotation|attr|class|enum|fun|package|schema|val)\\b"
+        },
+        {
+            "name": "storage.modifier.safe-ds-stub",
+            "match": "\\b(const|in|out|static)\\b"
+        }
+    ]
+}
diff --git a/packages/safe-ds-vscode/syntaxes/safe-ds.tmLanguage.json b/packages/safe-ds-vscode/syntaxes/safe-ds.tmLanguage.json
index 77c6c9213..7a9bde425 100644
--- a/packages/safe-ds-vscode/syntaxes/safe-ds.tmLanguage.json
+++ b/packages/safe-ds-vscode/syntaxes/safe-ds.tmLanguage.json
@@ -1,62 +1,70 @@
 {
     "name": "safe-ds",
     "scopeName": "source.safe-ds",
-    "fileTypes": [".sdspipe", ".sdsstub", ".sdstest"],
+    "fileTypes": [".sds"],
     "patterns": [
         {
-            "include": "#comments"
-        },
-        {
-            "name": "constant.numeric.safe-ds",
-            "match": "\\b([0-9]+(\\.[0-9]+)?([eE][+-]?[0-9]+)?)\\b"
-        },
-        {
-            "name": "constant.language.safe-ds",
-            "match": "\\b(false|null|true|unknown)\\b"
+            "include": "#shared"
         },
+
         {
             "name": "storage.type.safe-ds",
-            "match": "\\b(annotation|attr|class|enum|fun|package|pipeline|schema|segment|val)\\b"
+            "match": "\\b(package|pipeline|segment|val)\\b"
         },
         {
             "name": "storage.modifier.safe-ds",
-            "match": "\\b(const|in|internal|out|private|static)\\b"
-        },
-        {
-            "name": "keyword.operator.expression.safe-ds",
-            "match": "\\b(and|not|or|sub)\\b"
-        },
-        {
-            "name": "keyword.other.safe-ds",
-            "match": "\\b(as|from|import|literal|union|where|yield)\\b"
-        },
-        {
-            "name": "meta.safe-ds",
-            "begin": "\\`",
-            "end": "\\`"
-        },
-        {
-            "name": "string.interpolated.safe-ds",
-            "begin": "\"|}}",
-            "end": "{{|\"",
+            "match": "\\b(const|internal|private)\\b"
+        }
+    ],
+    "repository": {
+        "shared": {
             "patterns": [
                 {
-                    "include": "#string-character-escape"
-                }
-            ]
-        },
-        {
-            "name": "string.quoted.double.safe-ds",
-            "begin": "\"",
-            "end": "\"",
-            "patterns": [
+                    "name": "constant.numeric.safe-ds",
+                    "match": "\\b([0-9]+(\\.[0-9]+)?([eE][+-]?[0-9]+)?)\\b"
+                },
+                {
+                    "name": "constant.language.safe-ds",
+                    "match": "\\b(false|null|true|unknown)\\b"
+                },
                 {
-                    "include": "#string-character-escape"
+                    "name": "keyword.operator.expression.safe-ds",
+                    "match": "\\b(and|not|or)\\b"
+                },
+                {
+                    "name": "keyword.other.safe-ds",
+                    "match": "\\b(as|from|import|literal|union|where|yield)\\b"
+                },
+                {
+                    "name": "meta.safe-ds",
+                    "begin": "\\`",
+                    "end": "\\`"
+                },
+                {
+                    "name": "string.interpolated.safe-ds",
+                    "begin": "\"|}}",
+                    "end": "{{|\"",
+                    "patterns": [
+                        {
+                            "include": "#string-character-escape"
+                        }
+                    ]
+                },
+                {
+                    "name": "string.quoted.double.safe-ds",
+                    "begin": "\"",
+                    "end": "\"",
+                    "patterns": [
+                        {
+                            "include": "#string-character-escape"
+                        }
+                    ]
+                },
+                {
+                    "include": "#comments"
                 }
             ]
-        }
-    ],
-    "repository": {
+        },
         "comments": {
             "patterns": [
                 {