问找不到Google任务API

EN

GTLQueryTasks *query = [GTLQueryTasks queryForTasksListWithTasklist:someTasklistID];
query.showCompleted = someBool;
query.showHidden = anotherBool;
query.showDeleted = aThirdBool;

aTasksTicket =  [service executeQuery:query
                       completionHandler:^(GTLServiceTicket *ticket,
                                           id tasks, NSError *error) {
                         // callback
                         [self doSomethingWithTasks: tasks];
                       }];