code: function(options) {
          var node = this.writeNode("csw:GetDomain", options);
          return OpenLayers.Format.XML.prototype.write.apply(this, [node]);
      }
docs: APIMethod: write
  Given an configuration js object, write a CSWGetDomain request.
  
  Parameters:
  options - {Object} A object mapping the request.
  
  Returns:
  {String} A serialized CSWGetDomain request.