align names, https://github.com/microsoft/vscode/issues/105283

src/vs/vscode.proposed.d.ts

@@ -1343,8 +1343,8 @@ declare module 'vscode' {
 
 	export interface NotebookEditorCellEdit {
 
-		replaceCells(from: number, to: number, cells: NotebookCellData[]): void;
-		replaceOutputs(index: number, outputs: CellOutput[]): void;
+		replaceCells(start: number, end: number, cells: NotebookCellData[]): void;
+		replaceOutput(index: number, outputs: CellOutput[]): void;
 		replaceMetadata(index: number, metadata: NotebookCellMetadata): void;
 
 		/** @deprecated */

src/vs/workbench/api/common/extHostNotebook.ts

@@ -527,7 +527,7 @@ export class NotebookEditorCellEditBuilder implements vscode.NotebookEditorCellE
 		});
 	}
 
-	replaceOutputs(index: number, outputs: vscode.CellOutput[]): void {
+	replaceOutput(index: number, outputs: vscode.CellOutput[]): void {
 		this._throwIfFinalized();
 		this._collectedEdits.push({
 			editType: CellEditType.Output,