防止回放空时报空指针

gaoxun250@sina.com

2023-03-10 273b282af6f74403a0b13d2694beb4b7f48edaf6

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package com.genersoft.iot.vmp.service.bean;
 
public interface PlayBackCallback<T> {
 
    void call(PlayBackResult<T> msg);
 
}