function getMessage(sKey, aParameters) {
		return Library.getResourceBundleFor("sap.ui.core").getText(sKey, aParameters);
	}
Returns the locale-dependent text for the given key. Fetches the resource bundle
and stores it in the type if necessary.

@param {string} sKey
  the key
@param {any[]} aParameters
  the parameters
@returns {string}
  the locale-dependent text for the key