@Override
        public boolean isFileSelectable(@Nullable VirtualFile file) {
          for (Pair<LibraryRootsComponentDescriptor, FileChooserDescriptor> pair : descriptors) {
            if (pair.getSecond().isFileSelectable(file)) {
              return true;
            }
          }
          return false;
        }
@Override
        public boolean isFileSelectable(@Nullable VirtualFile file)