public static Map<VirtualFile, VcsRevisionNumber> getCurrentRevisions(Iterable<? extends VirtualFile> file, DiffProvider provider) {
    Map<VirtualFile, VcsRevisionNumber> result = new HashMap<>();
    for (VirtualFile virtualFile : file) {
      result.put(virtualFile, provider.getCurrentRevision(virtualFile));
    }
    return result;
  }
public static Map<VirtualFile, VcsRevisionNumber> getCurrentRevisions(Iterable<? extends VirtualFile> file, DiffProvider provider)