code: function liftFeedbackLoop(loops, mappings) {
      return function (outerState, scheduler) {
          var embededLoops = loops.map(function (loop) {
              return loop(outerState.pipe(map_1.map(mappings.mapState)), scheduler)
                  .pipe(map_1.map(mappings.mapEvent));
          });
          return rx.merge.apply(rx, embededLoops);
      };
  }
docs: Lifts feedback loop that operates on a subset of state and emits embeddable events to the parent feedback loop.
  
  @param loops Lifted feedback loops.
  @param mappings State and event transformers.