private boolean isSafeOperand(PsiExpression operand) {
      operand = PsiUtil.skipParenthesizedExprDown(operand);
      if (operand instanceof PsiMethodCallExpression methodCallExpression) {
        return methodMatcher.matches(methodCallExpression);
      }
      return ExpressionUtils.getArrayFromLengthExpression(operand) != null;
    }
private boolean isSafeOperand(PsiExpression operand)