Method subscribe

packages/core/src/authoring/output/output_ref.ts:40–40

* Registers a callback that is invoked whenever the output * emits a new value of type `T`. * * Angular will automatically clean up the subscription when * the directive/component of the output is destroyed.

(callback: (value: T) => void)

   * the directive/component of the output is destroyed.
   */
  subscribe(callback: (value: T) => void): OutputRefSubscription;

  /**
   * Reference to the `DestroyRef` of the directive/component declaring