code: function _updateLayoutDataOfContentResponsiveFlowLayout( oRFLayout, aFields ) {
  
  		var oLD;
  		var iWeight = 0;
  		for ( var i = 0; i < aFields.length; i++) {
  			var oField = aFields[i];
  			oLD = this.getLayoutDataForElement(oField, "sap.ui.layout.ResponsiveFlowLayoutData");
  			if (oLD) {
  				iWeight = iWeight + oLD.getWeight();
  			} else {
  				iWeight++;
  			}
  		}
  
  		oLD = oRFLayout.getLayoutData();
  		if (oLD) {
  			oLD.setWeight(iWeight);
  		} else {
  			oRFLayout.setLayoutData(
  					new ResponsiveFlowLayoutData({weight: iWeight})
  			);
  		}
  
  	}
docs: /*
  If a ResponsiveFlowLayout for the fields of a FormElement is used it must get the weight
  of all fields to have the right weight relative to the label.