Interface LifeCycleObserver

packages/core/src/lifecycle.ts:20–34

 * Observers to handle life cycle init/start/stop events
 */
export interface LifeCycleObserver {
  /**
   * The method to be invoked during `init`. It will only be called at most once
   * for a given application instance.
   */
  init?(...injectedArgs: unknown[]): ValueOrPromise<void>;
  /**
   * The method to be invoked during `start`
   */
  start?(...injectedArgs: unknown[]): ValueOrPromise<void>;
  /**
   * The method to be invoked during `stop`
   */
  stop?(...injectedArgs: unknown[]): ValueOrPromise<void>;
}

const lifeCycleMethods: (keyof LifeCycleObserver)[] = ['init', 'start', 'stop'];