text: import { async } from '../scheduler/async';
  import { isScheduler } from '../util/isScheduler';
  import { bufferTime as higherOrder } from '../operators/bufferTime';
  /* tslint:enable:max-line-length */
  /**
   * Buffers the source Observable values for a specific time period.
   *
   * <span class="informal">Collects values from the past as an array, and emits
   * those arrays periodically in time.</span>
   *
   * <img src="./img/bufferTime.png" width="100%">
   *
   * Buffers values from the source for a specific time duration `bufferTimeSpan`.
   * Unless the optional argument `bufferCreationInterval` is given, it emits and
   * resets the buffer every `bufferTimeSpan` milliseconds. If
   * `bufferCreationInterval` is given, this operator opens the buffer every
   * `bufferCreationInterval` milliseconds and closes (emits and resets) the
   * buffer every `bufferTimeSpan` milliseconds. When the optional argument
   * `maxBufferSize` is specified, the buffer will be closed either after
   * `bufferTimeSpan` milliseconds or when it contains `maxBufferSize` elements.
   *
   * @example <caption>Every second, emit an array of the recent click events</caption>
   * var clicks = Rx.Observable.fromEvent(document, 'click');
   * var buffered = clicks.bufferTime(1000);
   * buffered.subscribe(x => console.log(x));
   *
   * @example <caption>Every 5 seconds, emit the click events from the next 2 seconds</caption>
   * var clicks = Rx.Observable.fromEvent(document, 'click');
   * var buffered = clicks.bufferTime(2000, 5000);
   * buffered.subscribe(x => console.log(x));
   *
   * @see {@link buffer}
   * @see {@link bufferCount}
   * @see {@link bufferToggle}
   * @see {@link bufferWhen}
   * @see {@link windowTime}
   *
   * @param {number} bufferTimeSpan The amount of time to fill each buffer array.
   * @param {number} [bufferCreationInterval] The interval at which to start new
   * buffers.
   * @param {number} [maxBufferSize] The maximum buffer size.
   * @param {Scheduler} [scheduler=async] The scheduler on which to schedule the
   * intervals that determine buffer boundaries.
   * @return {Observable<T[]>} An observable of arrays of buffered values.
   * @method bufferTime
   * @owner Observable
   */
  export function bufferTime(bufferTimeSpan) {
      let length = arguments.length;
      let scheduler = async;
      if (isScheduler(arguments[arguments.length - 1])) {
          scheduler = arguments[arguments.length - 1];
          length--;
      }
      let bufferCreationInterval = null;
      if (length >= 2) {
          bufferCreationInterval = arguments[1];
      }
      let maxBufferSize = Number.POSITIVE_INFINITY;
      if (length >= 3) {
          maxBufferSize = arguments[2];
      }
      return higherOrder(bufferTimeSpan, bufferCreationInterval, maxBufferSize, scheduler)(this);
  }
  //# sourceMappingURL=bufferTime.js.map