code: public Label createLabel(BaseComponent parent, Object value, String prefix) {
          return createLabel(parent, value, prefix, null);
      }
docs: Creates a label for a string value.
  
  @param parent BaseComponent that will be the parent of the label.
  @param value Value to be used as label text.
  @param prefix Value to be used as a prefix for the label text.
  @return The newly created label.