public static DirDiffElementImpl createDirElement(DTree parent, DiffElement src, DiffElement trg, @Nls String name) {
    return new DirDiffElementImpl(parent, src, trg, DiffType.SEPARATOR, name, null);
  }
public static DirDiffElementImpl createDirElement(DTree parent, DiffElement src, DiffElement trg, @Nls String name)