code: function(oControl, sPropertyName) {
  		var oPropertyInfo = oControl.getMetadata().getProperty(sPropertyName);
  		if (oPropertyInfo && oPropertyInfo.type === 'sap.ui.core.CSSSize') {
  			return oPropertyInfo;
  		}
  		return null;
  	}
docs: Checks whether the given control has a property with the given name and type 'sap.ui.core.CSSSize' and
  returns the corresponding metadata object.
  
  @private