code: public static <Result> TaskBuilder<Result> create(Callable<Result> action,
                                                        TaskCallback<Result> callback,
                                                        Object caller) {
          return new TaskBuilder<Result>().action(action).callback(callback).with(caller);
      }
docs: 根据Callable,Callback,Caller初始化TaskBuilder
  
  @param action   callable
  @param callback callback
  @param caller   caller
  @param <Result> Result Type
  @return TaskBuilder