code: public static boolean containsVisualizationDocletTag(final String message) {
  
          if (message != null) {
              for (VisualizationDocletTag current : VisualizationDocletTag.values()) {
                  if (message.contains(current.toString() + " ")) {
  
                      // The message contains an entry on the form '@nazgul_vis.xxxx '
                      // which implies that it has to do with a VisualizationDoclet javadoc Tag.
                      return true;
                  }
              }
          }
  
          // Nopes.
          return false;
      }
docs: Checks if ths supplied message contains an {@link VisualizationDocletTag} reference, on the form
  {@code '@nazgul_vis.xxxx '}.
  
  @param message The message to check.
  @return {@code true} if the supplied message contains a {@link VisualizationDocletTag} reference.