@Override
  public PsiMethodReferenceExpression createPsi(@NotNull FunctionalExpressionStub<PsiMethodReferenceExpression> stub) {
    return new PsiMethodReferenceExpressionImpl(stub);
  }
@Override
  public PsiMethodReferenceExpression createPsi(@NotNull FunctionalExpressionStub<PsiMethodReferenceExpression> stub)