private static final void initialize() {
   PLUGIN_REGISTRY = PDERuntimePlugin.getDefault().getImageRegistry();
   manage(IMG_CLASS_OBJ, CLASS_OBJ);
   manage(IMG_INTERFACE_OBJ, INTERFACE_OBJ);
   manage(IMG_PLUGIN_OBJ, PLUGIN_OBJ);
   manage(IMG_SPY_OBJ, SPY_OBJ);
   manage(IMG_MENU_OBJ, MENU_OBJ);
   manage(IMG_ID_OBJ, ID_OBJ);
   manage(IMG_MENUSPY_OBJ, MENUSPY_OBJ);
   manage(IMG_CONTEXTID_OBJ, CONTEXTID_OBJ);
   manage(IMG_SAVE_IMAGE_AS_OBJ, SAVE_IMAGE_AS_OBJ);
   manage(IMG_COPY_QNAME, COPY_QNAME);
 }
 private static URL makeIconURL(String prefix, String name) {
   String path = "$nl$/" + prefix + name; // $NON-NLS-1$
   return FileLocator.find(PDERuntimePlugin.getDefault().getBundle(), new Path(path), null);
 }