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t=this;!t.disconnecting&&!t.reconnectTimer&&t.options.reconnectPeriod>0&&(this.reconnecting||(this.emit("offline"),this.reconnecting=!0),t.reconnectTimer=setInterval((function(){t._reconnect()}),t.options.reconnectPeriod))},m.prototype._clearReconnect=function(){this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)},m.prototype._cleanUp=function(t,e){e&&this.stream.on("close",e),t?(0===this.options.reconnectPeriod&&this.options.clean&&y(this.outgoing),this.stream.destroy()):this._sendPacket({cmd:"disconnect"},p.bind(null,this.stream.end.bind(this.stream))),this.disconnecting||(this._clearReconnect(),this._setupReconnect()),null!==this.pingTimer&&(this.pingTimer.clear(),this.pingTimer=null),e&&!this.connected&&(this.stream.removeListener("close",e),e())},m.prototype._sendPacket=function(t,e){if(this.connected){switch(this._shiftPingInterval(),t.cmd){case"publish":break;case"pubrel":return void _(this,t,e);default:return void g(this,t,e)}switch(t.qos){case 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