docs: public static ImageIcon loadImageIcon(final String iconName, final Class<?> clazz) {
          ImageIcon icon = null;
  
          if (iconName != null) {
              final URL iconResource = clazz.getResource(iconName);
              if (iconResource == null) {
                  LOGGER.error("Icon could not be loaded: '" + iconName);
                  icon = null;
              } else {
                  icon = new ImageIcon(iconResource);
              }
          }
  
          return icon;
      }