implementing class, function

function googleuploadAPI () {

            var PATH;
            var BUCKET;
            var downloadlink;
}


googleuploadAPI.prototype.insertObjectAccessControls = function (callback) {}
googleuploadAPI.prototype.insertObject = function (tf,uploadDetail,callback) {};

=========================================

function parseAPI (CLASSt) {

this.readParse = function (classt,index,val) {};

}

=========================================

var uploadAPI=new googleuploadAPI();

uploadAPI.insertObject(f,uploadDetail,function(){

          var PARSEAPI= new parseAPI();

    PARSEAPI.writeSignleCol("Building","Name","???","BuildingIntro",uploadAPI.downloadlink,function () {

                      alert("2");

                    });

                });