text: import { Subscription } from '../Subscription';
  /**
   * A unit of work to be executed in a `scheduler`. An action is typically
   * created from within a {@link SchedulerLike} and an RxJS user does not need to concern
   * themselves about creating and manipulating an Action.
   *
   * ```ts
   * class Action<T> extends Subscription {
   *   new (scheduler: Scheduler, work: (state?: T) => void);
   *   schedule(state?: T, delay: number = 0): Subscription;
   * }
   * ```
   *
   * @class Action<T>
   */
  export class Action extends Subscription {
      constructor(scheduler, work) {
          super();
      }
      /**
       * Schedules this action on its parent {@link SchedulerLike} for execution. May be passed
       * some context object, `state`. May happen at some point in the future,
       * according to the `delay` parameter, if specified.
       * @param {T} [state] Some contextual data that the `work` function uses when
       * called by the Scheduler.
       * @param {number} [delay] Time to wait before executing the work, where the
       * time unit is implicit and defined by the Scheduler.
       * @return {void}
       */
      schedule(state, delay = 0) {
          return this;
      }
  }
  