@NotNull
  @Override
  protected PsiElementPredicate getElementPredicate() {
    return new PsiElementPredicate() {
      @Override
      public boolean satisfiedBy(@NotNull PsiElement element) {
        return element instanceof GrLiteral && ("\"".equals(GrStringUtil.getStartQuote(element.getText())) ||
                                                "'".equals(GrStringUtil.getStartQuote(element.getText())))
               || element instanceof GrBinaryExpression && isAppropriateBinary((GrBinaryExpression)element, null);
      }
    };
  }
@NotNull
  @Override
  protected PsiElementPredicate getElementPredicate()