diff --git a/packages/plugin-ext/src/plugin/plugin-context.ts b/packages/plugin-ext/src/plugin/plugin-context.ts
index f62f102e83a24..3bc20c374f3cb 100644
--- a/packages/plugin-ext/src/plugin/plugin-context.ts
+++ b/packages/plugin-ext/src/plugin/plugin-context.ts
@@ -589,7 +589,9 @@ export function createAPIFactory(
             /** @stubbed TerminalQuickFixProvider */
             registerTerminalQuickFixProvider(id: string, provider: theia.TerminalQuickFixProvider): theia.Disposable {
                 return terminalExt.registerTerminalQuickFixProvider(id, provider);
-            }
+            },
+            /** @stubbed ShareProvider */
+            registerShareProvider: () => Disposable.NULL,
         };
 
         const workspace: typeof theia.workspace = {
diff --git a/packages/plugin/src/theia.d.ts b/packages/plugin/src/theia.d.ts
index 13cee3a27044f..f31ecf1166f4e 100644
--- a/packages/plugin/src/theia.d.ts
+++ b/packages/plugin/src/theia.d.ts
@@ -33,6 +33,7 @@ import './theia.proposed.fsChunks';
 import './theia.proposed.profileContentHandlers';
 import './theia.proposed.resolvers';
 import './theia.proposed.scmValidation';
+import './theia.proposed.shareProvider';
 import './theia.proposed.terminalQuickFixProvider';
 import './theia.proposed.textSearchProvider';
 import './theia.proposed.timeline';
diff --git a/packages/plugin/src/theia.proposed.shareProvider.d.ts b/packages/plugin/src/theia.proposed.shareProvider.d.ts
new file mode 100644
index 0000000000000..e94b48b6d421f
--- /dev/null
+++ b/packages/plugin/src/theia.proposed.shareProvider.d.ts
@@ -0,0 +1,92 @@
+// *****************************************************************************
+// Copyright (C) 2023 STMicroelectronics and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+// code copied and modified from https://github.com/microsoft/vscode/blob/release/1.79/src/vscode-dts/vscode.proposed.shareProvider.d.ts
+
+// https://github.com/microsoft/vscode/issues/176316 @joyceerhl
+
+export module '@theia/plugin' {
+
+    /**
+     * Data about an item which can be shared.
+     */
+    export interface ShareableItem {
+        /**
+         * A resource in the workspace that can be shared.
+         */
+        resourceUri: Uri;
+
+        /**
+         * If present, a selection within the `resourceUri`.
+         */
+        selection?: Range;
+    }
+
+    /**
+     * A provider which generates share links for resources in the editor.
+     */
+    export interface ShareProvider {
+
+        /**
+         * A unique ID for the provider.
+         * This will be used to activate specific extensions contributing share providers if necessary.
+         */
+        readonly id: string;
+
+        /**
+         * A label which will be used to present this provider's options in the UI.
+         */
+        readonly label: string;
+
+        /**
+         * The order in which the provider should be listed in the UI when there are multiple providers.
+         */
+        readonly priority: number;
+
+        /**
+         *
+         * @param item Data about an item which can be shared.
+         * @param token A cancellation token.
+         * @returns A {@link Uri} representing an external link or sharing text. The provider result
+         * will be copied to the user's clipboard and presented in a confirmation dialog.
+         */
+        provideShare(item: ShareableItem, token: CancellationToken): ProviderResult<Uri | string>;
+    }
+
+    export namespace window {
+
+        /**
+         * Register a share provider. An extension may register multiple share providers.
+         * There may be multiple share providers for the same {@link ShareableItem}.
+         * @param selector A document selector to filter whether the provider should be shown for a {@link ShareableItem}.
+         * @param provider A share provider.
+         */
+        export function registerShareProvider(selector: DocumentSelector, provider: ShareProvider): Disposable;
+    }
+
+    export interface TreeItem {
+
+        /**
+         * An optional property which, when set, inlines a `Share` option in the context menu for this tree item.
+         */
+        shareableItem?: ShareableItem;
+    }
+}