message: Fixes CLI API typings
diff: @@ -7,5 +7,7 @@ export interface CommandOutput {
  stderr: string;
  }
  -export declare function executeCommand(commandName: string, options: any): Promise<CommandOutput>;
  -export declare function on(eventName: string, listener: (...args: any[]) => void): void;
  +export declare function executeCommand(commandName: string, options: any, listener?: {
  + stdout: (message: any) => void,
  + stderr: (message: any) => void,
  +}): Promise<CommandOutput>;
  