function loadControlClass(sClassName) {
		var sModuleName = sClassName.replace(/\./g, "/");
		return new Promise(function(resolve, reject) {
			sap.ui.require([sModuleName], function(FNClass) {
				resolve(FNClass);
			}, function(oErr) {
				reject(new Error("failed to load class " + sModuleName + ":" + oErr));
			});
		});
	}
Asynchronously loads the module for the class with the given name and returns the export of that module
@param {string} sClassName name of the class to load