code: public static void copyFillableProperties(HasFill fillableOriginal, HasFill fillableCopy) {
  		fillableCopy.setFillOpacity(fillableOriginal.getFillOpacity());
  		fillableCopy.setFillColor(fillableOriginal.getFillColor());
  	}
docs: Copy all {@link HasFill} properties from original to copy.
  
  @param fillableOriginal
  @param fillableCopy