public static SyntaxNode BinaryOperator(BinaryOperatorKind operatorKind, SyntaxNode left, SyntaxNode right)
 {
     return(SyntaxFactory.ParenthesizedExpression(SyntaxFactory.BinaryExpression(operatorKind.ToSyntaxKind(),
                                                                                 left as ExpressionSyntax,
                                                                                 right as ExpressionSyntax)));
 }