add DebugSession.terminate; see #101883

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

@@ -952,6 +952,10 @@ export class ExtHostDebugSession implements vscode.DebugSession {
 	public customRequest(command: string, args: any): Promise<any> {
 		return this._debugServiceProxy.$customDebugAdapterRequest(this._id, command, args);
 	}
+
+	public terminate(): Promise<void> {
+		return this._debugServiceProxy.$terminateDebugSession(this._id);
+	}
 }
 
 export class ExtHostDebugConsole implements vscode.DebugConsole {