|  | /* | 
|  | * Licensed to the Apache Software Foundation (ASF) under one or more | 
|  | * contributor license agreements.  See the NOTICE file distributed with | 
|  | * this work for additional information regarding copyright ownership. | 
|  | * The ASF licenses this file to You under the Apache License, Version 2.0 | 
|  | * (the "License"); you may not use this file except in compliance with | 
|  | * the License.  You may obtain a copy of the License at | 
|  | * | 
|  | *     http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | package org.apache.rocketmq.dashboard.admin; | 
|  |  | 
|  | import org.apache.rocketmq.tools.admin.MQAdminExt; | 
|  |  | 
|  | @FunctionalInterface | 
|  | public interface MQAdminExtCallback<T> { | 
|  | T doInMQAdminExt(MQAdminExt mqAdminExt) throws Exception; | 
|  | } |