Method once

src/server/__tests__/mcp-lifecycle.test.ts:42–44

(event: string, listener: (...args: unknown[]) => void)

  readonly stderr = new TestStdin();

  override once(event: string, listener: (...args: unknown[]) => void): this {
    return super.once(event, listener);
  }

  override removeListener(event: string, listener: (...args: unknown[]) => void): this {
    return super.removeListener(event, listener);