function Flow(limit) {
  this.limit = limit;
  Object.defineProperty(this, "futureStack_", {
    enumerable: false,
    writable: true,
    value: []
  });
  Object.defineProperty(this, "runningNum_", {
    enumerable: false,
    writable: true,
    value: 0
  });
}
function Flow(limit) {
  this.limit = limit;
  Object.defineProperty(this, "futureStack_", {
    enumerable: false,
    writable: true,
    value: []
  });
  Object.defineProperty(this, "runningNum_", {
    enumerable: false,
    writable: true,
    value: 0
  });
}
function Flow ( limit ) { this . limit = limit ; Object . defineProperty ( this , "futureStack_" , { enumerable : false , writable : true , value : [ ] } ) ; Object . defineProperty ( this , "runningNum_" , { enumerable : false , writable : true , value : 0 } ) ; }
Flow class.
Flow class .