code: function windowCount(windowSize, startWindowEvery) {
      if (startWindowEvery === void 0) {
          startWindowEvery = 0;
      }
      return function windowCountOperatorFunction(source) {
          return source.lift(new WindowCountOperator(windowSize, startWindowEvery));
      };
  }
docs: PURE_IMPORTS_START tslib,_Subscriber,_Subject PURE_IMPORTS_END