钥匙柜大屏

rk

2025-11-20 f9b5ba75e245076e121697f790798945f75a1bd9

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package com.doumee.service.business.impl.mqtt;
 
import org.eclipse.paho.client.mqttv3.MqttClient;
 
import java.util.LinkedHashMap;
 
public class MqttClientCache {
    public static  LinkedHashMap<String, MqttClient> clientMapCache = new LinkedHashMap<>();
}