code: function listen(root, port, address, routerFilePath, iniDirectives) {
  
  	this.root = root;
  	this.address = address;
  	this.port = port;
  	this.routerFilePath = routerFilePath;
  	this.iniDirectives = iniDirectives;
  
  
  	if (this.port) {
  		this.launchProcess();
  	} else {
  		findFreePort(findFreePortHandler.bind(this));
  	}
  
  }
docs: /* API