diff --git a/packages/rtk-codemods/README.md b/packages/rtk-codemods/README.md
index be04f2b53b..ab7f117881 100644
--- a/packages/rtk-codemods/README.md
+++ b/packages/rtk-codemods/README.md
@@ -27,6 +27,7 @@ node ./bin/cli.js <TRANSFORM NAME> path/of/files/ or/some**/*glob.js
 
 - [createReducerBuilder](transforms/createReducerBuilder/README.md)
 - [createSliceBuilder](transforms/createSliceBuilder/README.md)
+- [createSliceReducerBuilder](transforms/createSliceReducerBuilder/README.md)
 <!--TRANSFORMS_END-->
 
 ## Contributing
diff --git a/packages/rtk-codemods/transforms/createReducerBuilder/README.md b/packages/rtk-codemods/transforms/createReducerBuilder/README.md
index 52898146e9..a50d10d582 100644
--- a/packages/rtk-codemods/transforms/createReducerBuilder/README.md
+++ b/packages/rtk-codemods/transforms/createReducerBuilder/README.md
@@ -31,38 +31,159 @@ node ./bin/cli.js createReducerBuilder path/of/files/ or/some**/*glob.js
 
 ## <!--FIXTURES_CONTENT_START-->
 
+---
+
 <a id="basic-ts">**basic-ts**</a>
 
 **Input** (<small>[basic-ts.input.ts](transforms\createReducerBuilder__testfixtures__\basic-ts.input.ts)</small>):
 
 ```ts
-createReducer(initialState, {
-  [todoAdded]: (state: SliceState, action: PayloadAction<string>) => {
+import type { PayloadAction } from '@reduxjs/toolkit'
+import { createEntityAdapter, createReducer } from '@reduxjs/toolkit'
+
+export interface Todo {
+  id: string
+  title: string
+}
+
+export const todoAdapter = createEntityAdapter<Todo>()
+
+const todoInitialState = todoAdapter.getInitialState()
+
+export type TodoSliceState = typeof todoInitialState
+
+const { addOne } = todoAdapter
+
+createReducer(todoInitialState, {
+  [todoAdded1a]: (state: TodoSliceState, action: PayloadAction<string>) => {
     // stuff
   },
-});
+  [todoAdded1b]: (state: TodoSliceState, action: PayloadAction<string>) =>
+    action.payload,
+  [todoAdded1c + 'test']: (
+    state: TodoSliceState,
+    action: PayloadAction<string>
+  ) => {
+    // stuff
+  },
+  [todoAdded1d](state: TodoSliceState, action: PayloadAction<string>) {
+    // stuff
+  },
+  [todoAdded1e]: function (
+    state: TodoSliceState,
+    action: PayloadAction<string>
+  ) {
+    // stuff
+  },
+  todoAdded1f: (state: TodoSliceState, action: PayloadAction<string>) => {
+    //stuff
+  },
+  [todoAdded1g]: addOne,
+  todoAdded1h: todoAdapter.addOne
+})
 
-createReducer(initialState, {
-  [todoAdded](state: SliceState, action: PayloadAction<string>) {
+createReducer(todoInitialState, {
+  [todoAdded2a]: (state: TodoSliceState, action: PayloadAction<string>) => {
     // stuff
   },
-});
+  [todoAdded2b](state: TodoSliceState, action: PayloadAction<string>) {
+    // stuff
+  },
+  [todoAdded2c]: function (
+    state: TodoSliceState,
+    action: PayloadAction<string>
+  ) {
+    // stuff
+  }
+})
 ```
 
 **Output** (<small>[basic-ts.output.ts](transforms\createReducerBuilder__testfixtures__\basic-ts.output.ts)</small>):
 
 ```ts
-createReducer(initialState, (builder) => {
-  builder.addCase(todoAdded, (state: SliceState, action: PayloadAction<string>) => {
-    // stuff
-  });
-});
-
-createReducer(initialState, (builder) => {
-  builder.addCase(todoAdded, (state: SliceState, action: PayloadAction<string>) => {
-    // stuff
-  });
-});
+import type { PayloadAction } from '@reduxjs/toolkit'
+import { createEntityAdapter, createReducer } from '@reduxjs/toolkit'
+
+export interface Todo {
+  id: string
+  title: string
+}
+
+export const todoAdapter = createEntityAdapter<Todo>()
+
+const todoInitialState = todoAdapter.getInitialState()
+
+export type TodoSliceState = typeof todoInitialState
+
+const { addOne } = todoAdapter
+
+createReducer(todoInitialState, (builder) => {
+  builder.addCase(
+    todoAdded1a,
+    (state: TodoSliceState, action: PayloadAction<string>) => {
+      // stuff
+    }
+  )
+
+  builder.addCase(
+    todoAdded1b,
+    (state: TodoSliceState, action: PayloadAction<string>) => action.payload
+  )
+
+  builder.addCase(
+    todoAdded1c + 'test',
+    (state: TodoSliceState, action: PayloadAction<string>) => {
+      // stuff
+    }
+  )
+
+  builder.addCase(
+    todoAdded1d,
+    (state: TodoSliceState, action: PayloadAction<string>) => {
+      // stuff
+    }
+  )
+
+  builder.addCase(
+    todoAdded1e,
+    (state: TodoSliceState, action: PayloadAction<string>) => {
+      // stuff
+    }
+  )
+
+  builder.addCase(
+    todoAdded1f,
+    (state: TodoSliceState, action: PayloadAction<string>) => {
+      //stuff
+    }
+  )
+
+  builder.addCase(todoAdded1g, addOne)
+  builder.addCase(todoAdded1h, todoAdapter.addOne)
+})
+
+createReducer(todoInitialState, (builder) => {
+  builder.addCase(
+    todoAdded2a,
+    (state: TodoSliceState, action: PayloadAction<string>) => {
+      // stuff
+    }
+  )
+
+  builder.addCase(
+    todoAdded2b,
+    (state: TodoSliceState, action: PayloadAction<string>) => {
+      // stuff
+    }
+  )
+
+  builder.addCase(
+    todoAdded2c,
+    (state: TodoSliceState, action: PayloadAction<string>) => {
+      // stuff
+    }
+  )
+})
 ```
 
 ---
@@ -72,7 +193,15 @@ createReducer(initialState, (builder) => {
 **Input** (<small>[basic.input.js](transforms\createReducerBuilder__testfixtures__\basic.input.js)</small>):
 
 ```js
-createReducer(initialState, {
+import { createEntityAdapter, createReducer } from '@reduxjs/toolkit'
+
+export const todoAdapter = createEntityAdapter()
+
+const todoInitialState = todoAdapter.getInitialState()
+
+const { addOne } = todoAdapter
+
+createReducer(todoInitialState, {
   [todoAdded1a]: (state, action) => {
     // stuff
   },
@@ -89,9 +218,11 @@ createReducer(initialState, {
   todoAdded1f: (state, action) => {
     //stuff
   },
-});
+  [todoAdded1g]: addOne,
+  todoAdded1h: todoAdapter.addOne
+})
 
-createReducer(initialState, {
+createReducer(todoInitialState, {
   [todoAdded2a]: (state, action) => {
     // stuff
   },
@@ -100,50 +231,61 @@ createReducer(initialState, {
   },
   [todoAdded2c]: function (state, action) {
     // stuff
-  },
-});
+  }
+})
 ```
 
 **Output** (<small>[basic.output.js](transforms\createReducerBuilder__testfixtures__\basic.output.js)</small>):
 
 ```js
-createReducer(initialState, (builder) => {
+import { createEntityAdapter, createReducer } from '@reduxjs/toolkit'
+
+export const todoAdapter = createEntityAdapter()
+
+const todoInitialState = todoAdapter.getInitialState()
+
+const { addOne } = todoAdapter
+
+createReducer(todoInitialState, (builder) => {
   builder.addCase(todoAdded1a, (state, action) => {
     // stuff
-  });
+  })
 
-  builder.addCase(todoAdded1b, (state, action) => action.payload);
+  builder.addCase(todoAdded1b, (state, action) => action.payload)
 
   builder.addCase(todoAdded1c + 'test', (state, action) => {
     // stuff
-  });
+  })
 
   builder.addCase(todoAdded1d, (state, action) => {
     // stuff
-  });
+  })
 
   builder.addCase(todoAdded1e, (state, action) => {
     // stuff
-  });
+  })
 
   builder.addCase(todoAdded1f, (state, action) => {
     //stuff
-  });
-});
+  })
+
+  builder.addCase(todoAdded1g, addOne)
+  builder.addCase(todoAdded1h, todoAdapter.addOne)
+})
 
-createReducer(initialState, (builder) => {
+createReducer(todoInitialState, (builder) => {
   builder.addCase(todoAdded2a, (state, action) => {
     // stuff
-  });
+  })
 
   builder.addCase(todoAdded2b, (state, action) => {
     // stuff
-  });
+  })
 
   builder.addCase(todoAdded2c, (state, action) => {
     // stuff
-  });
-});
+  })
+})
 ```
 
 <!--FIXTURES_CONTENT_END-->
diff --git a/packages/rtk-codemods/transforms/createSliceBuilder/README.md b/packages/rtk-codemods/transforms/createSliceBuilder/README.md
index 5a15c86682..725d80a4fa 100644
--- a/packages/rtk-codemods/transforms/createSliceBuilder/README.md
+++ b/packages/rtk-codemods/transforms/createSliceBuilder/README.md
@@ -31,56 +31,254 @@ node ./bin/cli.js createSliceBuilder path/of/files/ or/some**/*glob.js
 
 ## <!--FIXTURES_CONTENT_START-->
 
+---
+
 <a id="basic-ts">**basic-ts**</a>
 
 **Input** (<small>[basic-ts.input.ts](transforms\createSliceBuilder__testfixtures__\basic-ts.input.ts)</small>):
 
 ```ts
-const slice1 = createSlice({
-  name: 'a',
-  initialState,
+import type { PayloadAction } from '@reduxjs/toolkit'
+import {
+  createAsyncThunk,
+  createEntityAdapter,
+  createSlice
+} from '@reduxjs/toolkit'
+
+export interface Todo {
+  id: string
+  title: string
+}
+
+export const todoAdapter = createEntityAdapter<Todo>()
+
+const todoInitialState = todoAdapter.getInitialState()
+
+export type TodoSliceState = typeof todoInitialState
+
+const fetchCount = (amount = 1) => {
+  return new Promise<{ data: number }>((resolve) =>
+    setTimeout(() => resolve({ data: amount }), 500)
+  )
+}
+
+export const incrementAsync = createAsyncThunk(
+  'counter/fetchCount',
+  async (amount: number) => {
+    const response = await fetchCount(amount)
+    return response.data
+  }
+)
+
+const { addOne } = todoAdapter
+
+const todoSlice = createSlice({
+  name: 'todo',
+  initialState: todoInitialState,
+  reducers: {
+    deleteTodo: todoAdapter.removeOne
+  },
   extraReducers: {
-    [todoAdded]: (state: SliceState, action: PayloadAction<string>) => {
+    [incrementAsync.pending]: (
+      state: TodoSliceState,
+      action: PayloadAction<string>
+    ) => {
       // stuff
     },
-  },
-});
+    [incrementAsync.rejected]: todoAdapter.removeAll,
+    [incrementAsync.fulfilled](
+      state: TodoSliceState,
+      action: PayloadAction<string>
+    ) {
+      // stuff
+    },
+    todoAdded: todoAdapter.addOne,
 
-const slice2 = createSlice({
-  name: 'b',
-  initialState,
-  extraReducers: {
-    [todoAdded](state: SliceState, action: PayloadAction<string>) {
+    [todoAdded1a]: (state: TodoSliceState, action: PayloadAction<string>) => {
       // stuff
     },
-  },
-});
+    [todoAdded1b]: (state: TodoSliceState, action: PayloadAction<string>) =>
+      action.payload,
+    [todoAdded1c + 'test']: (
+      state: TodoSliceState,
+      action: PayloadAction<string>
+    ) => {
+      // stuff
+    },
+    [todoAdded1d](state: TodoSliceState, action: PayloadAction<string>) {
+      // stuff
+    },
+    [todoAdded1e]: function (
+      state: TodoSliceState,
+      action: PayloadAction<string>
+    ) {
+      // stuff
+    },
+    todoAdded1f: (state: TodoSliceState, action: PayloadAction<string>) => {
+      //stuff
+    },
+    [todoAdded1g]: addOne,
+    todoAdded1h: todoAdapter.addOne
+  }
+})
+
+export const { deleteTodo } = todoSlice.actions
+
+export interface CounterSliceState {
+  value: number
+  status: 'idle' | 'loading' | 'failed'
+}
+
+const counterInitialState: CounterSliceState = {
+  value: 0,
+  status: 'idle'
+}
+
+const counterSlice = createSlice({
+  name: 'counter',
+  initialState: counterInitialState,
+  extraReducers: {
+    [deleteTodo](state: CounterSliceState, action: PayloadAction<string>) {
+      // stuff
+    }
+  }
+})
 ```
 
 **Output** (<small>[basic-ts.output.ts](transforms\createSliceBuilder__testfixtures__\basic-ts.output.ts)</small>):
 
 ```ts
-const slice1 = createSlice({
-  name: 'a',
-  initialState,
-
-  extraReducers: (builder) => {
-    builder.addCase(todoAdded, (state: SliceState, action: PayloadAction<string>) => {
-      // stuff
-    });
+import type { PayloadAction } from '@reduxjs/toolkit'
+import {
+  createAsyncThunk,
+  createEntityAdapter,
+  createSlice
+} from '@reduxjs/toolkit'
+
+export interface Todo {
+  id: string
+  title: string
+}
+
+export const todoAdapter = createEntityAdapter<Todo>()
+
+const todoInitialState = todoAdapter.getInitialState()
+
+export type TodoSliceState = typeof todoInitialState
+
+const fetchCount = (amount = 1) => {
+  return new Promise<{ data: number }>((resolve) =>
+    setTimeout(() => resolve({ data: amount }), 500)
+  )
+}
+
+export const incrementAsync = createAsyncThunk(
+  'counter/fetchCount',
+  async (amount: number) => {
+    const response = await fetchCount(amount)
+    return response.data
+  }
+)
+
+const { addOne } = todoAdapter
+
+const todoSlice = createSlice({
+  name: 'todo',
+  initialState: todoInitialState,
+
+  reducers: {
+    deleteTodo: todoAdapter.removeOne
   },
-});
 
-const slice2 = createSlice({
-  name: 'b',
-  initialState,
+  extraReducers: (builder) => {
+    builder.addCase(
+      incrementAsync.pending,
+      (state: TodoSliceState, action: PayloadAction<string>) => {
+        // stuff
+      }
+    )
+
+    builder.addCase(incrementAsync.rejected, todoAdapter.removeAll)
+
+    builder.addCase(
+      incrementAsync.fulfilled,
+      (state: TodoSliceState, action: PayloadAction<string>) => {
+        // stuff
+      }
+    )
+
+    builder.addCase(todoAdded, todoAdapter.addOne)
+
+    builder.addCase(
+      todoAdded1a,
+      (state: TodoSliceState, action: PayloadAction<string>) => {
+        // stuff
+      }
+    )
+
+    builder.addCase(
+      todoAdded1b,
+      (state: TodoSliceState, action: PayloadAction<string>) => action.payload
+    )
+
+    builder.addCase(
+      todoAdded1c + 'test',
+      (state: TodoSliceState, action: PayloadAction<string>) => {
+        // stuff
+      }
+    )
+
+    builder.addCase(
+      todoAdded1d,
+      (state: TodoSliceState, action: PayloadAction<string>) => {
+        // stuff
+      }
+    )
+
+    builder.addCase(
+      todoAdded1e,
+      (state: TodoSliceState, action: PayloadAction<string>) => {
+        // stuff
+      }
+    )
+
+    builder.addCase(
+      todoAdded1f,
+      (state: TodoSliceState, action: PayloadAction<string>) => {
+        //stuff
+      }
+    )
+
+    builder.addCase(todoAdded1g, addOne)
+    builder.addCase(todoAdded1h, todoAdapter.addOne)
+  }
+})
+
+export const { deleteTodo } = todoSlice.actions
+
+export interface CounterSliceState {
+  value: number
+  status: 'idle' | 'loading' | 'failed'
+}
+
+const counterInitialState: CounterSliceState = {
+  value: 0,
+  status: 'idle'
+}
+
+const counterSlice = createSlice({
+  name: 'counter',
+  initialState: counterInitialState,
 
   extraReducers: (builder) => {
-    builder.addCase(todoAdded, (state: SliceState, action: PayloadAction<string>) => {
-      // stuff
-    });
-  },
-});
+    builder.addCase(
+      deleteTodo,
+      (state: CounterSliceState, action: PayloadAction<string>) => {
+        // stuff
+      }
+    )
+  }
+})
 ```
 
 ---
@@ -90,10 +288,48 @@ const slice2 = createSlice({
 **Input** (<small>[basic.input.js](transforms\createSliceBuilder__testfixtures__\basic.input.js)</small>):
 
 ```js
-const slice1 = createSlice({
-  name: 'a',
-  initialState: {},
+import {
+  createAsyncThunk,
+  createEntityAdapter,
+  createSlice
+} from '@reduxjs/toolkit'
+
+export const todoAdapter = createEntityAdapter()
+
+const todoInitialState = todoAdapter.getInitialState()
+
+const fetchCount = (amount = 1) => {
+  return new Promise((resolve) =>
+    setTimeout(() => resolve({ data: amount }), 500)
+  )
+}
+
+export const incrementAsync = createAsyncThunk(
+  'counter/fetchCount',
+  async (amount) => {
+    const response = await fetchCount(amount)
+    return response.data
+  }
+)
+
+const { addOne } = todoAdapter
+
+const todoSlice = createSlice({
+  name: 'todo',
+  initialState: todoInitialState,
+  reducers: {
+    deleteTodo: todoAdapter.removeOne
+  },
   extraReducers: {
+    [incrementAsync.pending]: (state, action) => {
+      // stuff
+    },
+    [incrementAsync.rejected]: todoAdapter.removeAll,
+    [incrementAsync.fulfilled](state, action) {
+      // stuff
+    },
+    todoAdded: todoAdapter.addOne,
+
     [todoAdded1a]: (state, action) => {
       // stuff
     },
@@ -110,76 +346,123 @@ const slice1 = createSlice({
     todoAdded1f: (state, action) => {
       //stuff
     },
-  },
-});
+    [todoAdded1g]: addOne,
+    todoAdded1h: todoAdapter.addOne
+  }
+})
 
-const slice2 = createSlice({
-  name: 'b',
-  initialState: {},
+export const { deleteTodo } = todoSlice.actions
+
+const counterInitialState = {
+  value: 0,
+  status: 'idle'
+}
+
+const counterSlice = createSlice({
+  name: 'counter',
+  initialState: counterInitialState,
   extraReducers: {
-    [todoAdded2a]: (state, action) => {
+    [deleteTodo](state, action) {
       // stuff
-    },
-    [todoAdded2b](state, action) {
-      // stuff
-    },
-    [todoAdded2c]: function (state, action) {
-      // stuff
-    },
-  },
-});
+    }
+  }
+})
 ```
 
 **Output** (<small>[basic.output.js](transforms\createSliceBuilder__testfixtures__\basic.output.js)</small>):
 
 ```js
-const slice1 = createSlice({
-  name: 'a',
-  initialState: {},
+import {
+  createAsyncThunk,
+  createEntityAdapter,
+  createSlice
+} from '@reduxjs/toolkit'
+
+export const todoAdapter = createEntityAdapter()
+
+const todoInitialState = todoAdapter.getInitialState()
+
+const fetchCount = (amount = 1) => {
+  return new Promise((resolve) =>
+    setTimeout(() => resolve({ data: amount }), 500)
+  )
+}
+
+export const incrementAsync = createAsyncThunk(
+  'counter/fetchCount',
+  async (amount) => {
+    const response = await fetchCount(amount)
+    return response.data
+  }
+)
+
+const { addOne } = todoAdapter
+
+const todoSlice = createSlice({
+  name: 'todo',
+  initialState: todoInitialState,
+
+  reducers: {
+    deleteTodo: todoAdapter.removeOne
+  },
 
   extraReducers: (builder) => {
+    builder.addCase(incrementAsync.pending, (state, action) => {
+      // stuff
+    })
+
+    builder.addCase(incrementAsync.rejected, todoAdapter.removeAll)
+
+    builder.addCase(incrementAsync.fulfilled, (state, action) => {
+      // stuff
+    })
+
+    builder.addCase(todoAdded, todoAdapter.addOne)
+
     builder.addCase(todoAdded1a, (state, action) => {
       // stuff
-    });
+    })
 
-    builder.addCase(todoAdded1b, (state, action) => action.payload);
+    builder.addCase(todoAdded1b, (state, action) => action.payload)
 
     builder.addCase(todoAdded1c + 'test', (state, action) => {
       // stuff
-    });
+    })
 
     builder.addCase(todoAdded1d, (state, action) => {
       // stuff
-    });
+    })
 
     builder.addCase(todoAdded1e, (state, action) => {
       // stuff
-    });
+    })
 
     builder.addCase(todoAdded1f, (state, action) => {
       //stuff
-    });
-  },
-});
+    })
 
-const slice2 = createSlice({
-  name: 'b',
-  initialState: {},
+    builder.addCase(todoAdded1g, addOne)
+    builder.addCase(todoAdded1h, todoAdapter.addOne)
+  }
+})
 
-  extraReducers: (builder) => {
-    builder.addCase(todoAdded2a, (state, action) => {
-      // stuff
-    });
+export const { deleteTodo } = todoSlice.actions
 
-    builder.addCase(todoAdded2b, (state, action) => {
-      // stuff
-    });
+const counterInitialState = {
+  value: 0,
+  status: 'idle'
+}
 
-    builder.addCase(todoAdded2c, (state, action) => {
+const counterSlice = createSlice({
+  name: 'counter',
+  initialState: counterInitialState,
+
+  extraReducers: (builder) => {
+    builder.addCase(deleteTodo, (state, action) => {
       // stuff
-    });
-  },
-});
+    })
+  }
+})
 ```
 
 <!--FIXTURES_CONTENT_END-->
diff --git a/packages/rtk-codemods/transforms/createSliceReducerBuilder/README.md b/packages/rtk-codemods/transforms/createSliceReducerBuilder/README.md
index cafb0c9d48..f6a959db00 100644
--- a/packages/rtk-codemods/transforms/createSliceReducerBuilder/README.md
+++ b/packages/rtk-codemods/transforms/createSliceReducerBuilder/README.md
@@ -26,7 +26,209 @@ node ./bin/cli.js createSliceReducerBuilder path/of/files/ or/some**/*glob.js
 ## Input / Output
 
 <!--FIXTURES_TOC_START-->
+
+- [basic-ts](#basic-ts)
+- [basic](#basic)
 <!--FIXTURES_TOC_END-->
 
-<!--FIXTURES_CONTENT_START-->
+## <!--FIXTURES_CONTENT_START-->
+
+<a id="basic-ts">**basic-ts**</a>
+
+**Input** (<small>[basic-ts.input.ts](transforms\createSliceReducerBuilder__testfixtures__\basic-ts.input.ts)</small>):
+
+```ts
+import type { PayloadAction } from '@reduxjs/toolkit'
+import { createEntityAdapter, createSlice, nanoid } from '@reduxjs/toolkit'
+
+function withPayload(): any {
+  throw new Error('Function not implemented.')
+}
+
+export interface Todo {
+  id: string
+  title: string
+}
+
+export const todoAdapter = createEntityAdapter<Todo>()
+
+const todoSlice = createSlice({
+  name: 'todo',
+  initialState: todoAdapter.getInitialState(),
+  reducers: {
+    property: () => {},
+    method(state, action: PayloadAction<Todo>) {
+      todoAdapter.addOne(state, action)
+    },
+    identifier: todoAdapter.removeOne,
+    preparedProperty: {
+      prepare: (todo: Omit<Todo, 'id'>) => ({
+        payload: { id: nanoid(), ...todo }
+      }),
+      reducer: () => {}
+    },
+    preparedMethod: {
+      prepare(todo: Omit<Todo, 'id'>) {
+        return { payload: { id: nanoid(), ...todo } }
+      },
+      reducer(state, action: PayloadAction<Todo>) {
+        todoAdapter.addOne(state, action)
+      }
+    },
+    preparedIdentifier: {
+      prepare: withPayload(),
+      reducer: todoAdapter.setMany
+    }
+  }
+})
+```
+
+**Output** (<small>[basic-ts.output.ts](transforms\createSliceReducerBuilder__testfixtures__\basic-ts.output.ts)</small>):
+
+```ts
+import type { PayloadAction } from '@reduxjs/toolkit'
+import { createEntityAdapter, createSlice, nanoid } from '@reduxjs/toolkit'
+
+function withPayload(): any {
+  throw new Error('Function not implemented.')
+}
+
+export interface Todo {
+  id: string
+  title: string
+}
+
+export const todoAdapter = createEntityAdapter<Todo>()
+
+const todoSlice = createSlice({
+  name: 'todo',
+  initialState: todoAdapter.getInitialState(),
+
+  reducers: (create) => ({
+    property: create.reducer(() => {}),
+
+    method: create.reducer((state, action: PayloadAction<Todo>) => {
+      todoAdapter.addOne(state, action)
+    }),
+
+    identifier: create.reducer(todoAdapter.removeOne),
+
+    preparedProperty: create.preparedReducer(
+      (todo: Omit<Todo, 'id'>) => ({
+        payload: { id: nanoid(), ...todo }
+      }),
+      () => {}
+    ),
+
+    preparedMethod: create.preparedReducer(
+      (todo: Omit<Todo, 'id'>) => {
+        return { payload: { id: nanoid(), ...todo } }
+      },
+      (state, action: PayloadAction<Todo>) => {
+        todoAdapter.addOne(state, action)
+      }
+    ),
+
+    preparedIdentifier: create.preparedReducer(
+      withPayload(),
+      todoAdapter.setMany
+    )
+  })
+})
+```
+
+---
+
+<a id="basic">**basic**</a>
+
+**Input** (<small>[basic.input.js](transforms\createSliceReducerBuilder__testfixtures__\basic.input.js)</small>):
+
+```js
+import { createEntityAdapter, createSlice, nanoid } from '@reduxjs/toolkit'
+
+function withPayload() {
+  throw new Error('Function not implemented.')
+}
+
+export const todoAdapter = createEntityAdapter()
+
+const todoSlice = createSlice({
+  name: 'todo',
+  initialState: todoAdapter.getInitialState(),
+  reducers: {
+    property: () => {},
+    method(state, action) {
+      todoAdapter.addOne(state, action)
+    },
+    identifier: todoAdapter.removeOne,
+    preparedProperty: {
+      prepare: (todo) => ({
+        payload: { id: nanoid(), ...todo }
+      }),
+      reducer: () => {}
+    },
+    preparedMethod: {
+      prepare(todo) {
+        return { payload: { id: nanoid(), ...todo } }
+      },
+      reducer(state, action) {
+        todoAdapter.addOne(state, action)
+      }
+    },
+    preparedIdentifier: {
+      prepare: withPayload(),
+      reducer: todoAdapter.setMany
+    }
+  }
+})
+```
+
+**Output** (<small>[basic.output.js](transforms\createSliceReducerBuilder__testfixtures__\basic.output.js)</small>):
+
+```js
+import { createEntityAdapter, createSlice, nanoid } from '@reduxjs/toolkit'
+
+function withPayload() {
+  throw new Error('Function not implemented.')
+}
+
+export const todoAdapter = createEntityAdapter()
+
+const todoSlice = createSlice({
+  name: 'todo',
+  initialState: todoAdapter.getInitialState(),
+
+  reducers: (create) => ({
+    property: create.reducer(() => {}),
+
+    method: create.reducer((state, action) => {
+      todoAdapter.addOne(state, action)
+    }),
+
+    identifier: create.reducer(todoAdapter.removeOne),
+
+    preparedProperty: create.preparedReducer(
+      (todo) => ({
+        payload: { id: nanoid(), ...todo }
+      }),
+      () => {}
+    ),
+
+    preparedMethod: create.preparedReducer(
+      (todo) => {
+        return { payload: { id: nanoid(), ...todo } }
+      },
+      (state, action) => {
+        todoAdapter.addOne(state, action)
+      }
+    ),
+
+    preparedIdentifier: create.preparedReducer(
+      withPayload(),
+      todoAdapter.setMany
+    )
+  })
+})
+```
+
 <!--FIXTURES_CONTENT_END-->