@Override
  public @NotNull XmlAttributeStubImpl createStub(@NotNull XmlStubBasedAttribute psi, StubElement parentStub) {
    return new XmlAttributeStubImpl(psi, parentStub, this);
  }
@Override
  public @NotNull XmlAttributeStubImpl createStub(@NotNull XmlStubBasedAttribute psi, StubElement parentStub)