private static @NotNull String getReplacementText(PsiElement element) {
    if (element instanceof PsiPrefixExpression prefixExpression) {
      final PsiExpression operand = prefixExpression.getOperand();
      assert operand != null;
      final PsiJavaToken sign = prefixExpression.getOperationSign();
      return operand.getText() + sign.getText();
    }
    else {
      final PsiPostfixExpression postfixExpression = (PsiPostfixExpression)element;
      final PsiExpression operand = postfixExpression.getOperand();
      final PsiJavaToken sign = postfixExpression.getOperationSign();
      return sign.getText() + operand.getText();
    }
  }
private static @NotNull String getReplacementText(PsiElement element)