@Nullable
  @Override
  public PyTypingAliasStub createStub(PyTargetExpression psi) {
    final PyExpression value = getAssignedValueIfTypeAliasLike(psi, true);
    return value != null ? new PyTypingTypeAliasStubImpl(value.getText()) : null;
  }
@Nullable
  @Override
  public PyTypingAliasStub createStub(PyTargetExpression psi)