function checkRequired(oElem) {
		return !!(oElem && oElem.getRequired && oElem.getRequired());
	}
Returns <code>true</code> when the given control is required (property 'required') or one of its referencing labels, <code>false</code> otherwise.

@param {sap.ui.core.Element} oElement The element which should be checked for its required state
@returns {boolean} <code>true</code> when the given control is required (property 'required') or one of its referencing labels, <code>false</code> otherwise
@public
@since 1.29.0