Function cleanup

extensions/cli/src/services/BaseService.test.ts:96–100

* Cleanup resources (can be overridden by subclasses)

()

   * Cleanup resources (can be overridden by subclasses)
   */
  async cleanup(): Promise<void> {
    logger.debug(`Cleaning up ${this.serviceName}`);
    this.removeAllListeners();
    this.isInitialized = false;
  }
}

/**