处理可能会出现的空指针异常

pei

2024-03-29 728e60ce8431fe5a70e44a1da2d4835425ce83a5

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package com.genersoft.iot.vmp.vmanager.gb28181.play.bean;
 
 
/**
 * @author lin
 */
public interface AudioBroadcastEvent {
    void call(String msg);
}