text: import { isEmpty as higherOrder } from '../operators/isEmpty'
  /**
   * If the source Observable is empty it returns an Observable that emits true, otherwise it emits false.
   *
   * <img src="./img/isEmpty.png" width="100%">
   *
   * @return {Observable} An Observable that emits a Boolean.
   * @method isEmpty
   * @owner Observable
   */
  export function isEmpty () {
    return higherOrder()(this)
  }
  // # sourceMappingURL=isEmpty.js.map
  