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 /*
  * Copyright 2014 dc-square GmbH
  *
  * Licensed 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 com.dcsquare.hivemq.spi.callback;

A marker interface for low level MQTT callbacks.

Low level callbacks are callbacks which are notified on MQTT messages which are typically not interesting for business logic but protocol flow.

These callbacks are solely informational

Don't implement this interface on your own, use a more concrete interface when you want to add a callback

Author(s):
Christian Goetz
Since:
1.4
public interface LowlevelCallback {
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