@NotNull
  @Override
  protected PsiElementPredicate getElementPredicate() {
    return new PsiElementPredicate() {
      @Override
      public boolean satisfiedBy(@NotNull PsiElement element) {
        return element instanceof GrLiteral && !element.getText().equals(invokeImpl(element));
      }
    };
  }
@NotNull
  @Override
  protected PsiElementPredicate getElementPredicate()