src/sap.ui.core/src/sap/ui/performance/XHRInterceptor.js
function(sName, sXHRMethod, fnCallback) {
			Log.debug("Register '" + sName + "' for XHR function '" + sXHRMethod + "'", XHRINTERCEPTOR);

			// initially the override needs to be placed per XHR method
			if (!mRegistry[sXHRMethod]) {
				createOverride(sXHRMethod);
			}
			mRegistry[sXHRMethod][sName] = fnCallback;
		}
function(sName, sXHRMethod, fnCallback) {
			Log.debug("Register '" + sName + "' for XHR function '" + sXHRMethod + "'", XHRINTERCEPTOR);

			// initially the override needs to be placed per XHR method
			if (!mRegistry[sXHRMethod]) {
				createOverride(sXHRMethod);
			}
			mRegistry[sXHRMethod][sName] = fnCallback;
		}
function ( sName , sXHRMethod , fnCallback ) { Log . debug ( "Register '" + sName + "' for XHR function '" + sXHRMethod + "'" , XHRINTERCEPTOR ) ; // initially the override needs to be placed per XHR method if ( ! mRegistry [ sXHRMethod ] ) { createOverride ( sXHRMethod ) ; } mRegistry [ sXHRMethod ] [ sName ] = fnCallback ; }
Register a function callback which gets called as it would be an own method of XHR.

@param {string} sName Name under which the function is registered
@param {string} sXHRMethod Name of the actual XHR method
@param {function} fnCallback The registered callback function
@public
Register a function callback which gets called as it would be an own method of XHR .