docs: function CombinedSearchAndOrderNumbersQuery(query) {
  	this.toXml = function () {
  		return {
  			"CombinedSearchAndOrderType": {
  				"Quantity": {_text: query.quantity || 1},
  				"AreaCode": {_text: query.areaCode},
  				"RateCenter": {_text: query.rateCenter},
  				"NpaNxx": {_text: query.npaNxx},
  				"EnableTNDetail": {_text: query.enableTnDetail || query.enableTNDetail},
  				"EnableLCA": {_text: query.enableLca || query.enableLCA},
  				"TollFreeVanity": {_text: query.tollFreeVanity},
  				"TollFreeWildCardPattern": {_text: query.tollFreeWildCardPattern},
  				"State": {_text: query.state},
  				"City": {_text: query.city},
  				"Zip": {_text: query.zip},
  				"Lata": {_text: query.lata}
  			}
  		};
  	};
  }