code: function ProxySocket(proxy_port, proxy_addr, meta, proxy_opts) {
      stream.Duplex.call(this);
  
      this.connected_fn = null;
      this.proxy_addr   = proxy_addr;
      this.proxy_port   = proxy_port;
      this.proxy_opts   = proxy_opts || {};
  
      this.setMeta(meta || {});
  
      this.state = 'disconnected';
  }
docs: ProxySocket
  Transparent socket interface to a kiwi proxy