code: public boolean isProcessingRegionRelated() {
          if (guiHints != null) {
              if (guiHints.contains(HMConstants.PROCESS_NORTH_UI_HINT) || //
                      guiHints.contains(HMConstants.PROCESS_SOUTH_UI_HINT) || //
                      guiHints.contains(HMConstants.PROCESS_WEST_UI_HINT) || //
                      guiHints.contains(HMConstants.PROCESS_EAST_UI_HINT) || //
                      guiHints.contains(HMConstants.PROCESS_COLS_UI_HINT) || //
                      guiHints.contains(HMConstants.PROCESS_ROWS_UI_HINT) || //
                      guiHints.contains(HMConstants.PROCESS_XRES_UI_HINT) || //
                      guiHints.contains(HMConstants.PROCESS_YRES_UI_HINT)) {
                  return true;
              }
          }
          return false;
      }
docs: Checks if the FieldData are referred to values of the {@link ProcessingRegion}.
  
  @return <code>true</code>, if the field is related to the processing region.