docs: function RateCenterSearchAndOrdeNumbersQuery(query) {
  	this.toXml = function () {
  		return {
  			"RateCenterSearchAndOrderType": {
  				"RateCenter": {_text: query.rateCenter},
  				"State": {_text: query.state},
  				"Quantity": {_text: query.quantity || 1}
  			}
  		};
  	};
  }