private static DeclarationExpressionSyntax GetDeclarationExpression(
            SourceText sourceText, IdentifierNameSyntax identifier,
            TypeSyntax newType, VariableDeclaratorSyntax declaratorOpt)
        {
            newType = newType.WithoutTrivia().WithAdditionalAnnotations(Formatter.Annotation);
            var designation = SyntaxFactory.SingleVariableDesignation(identifier.Identifier);

            if (declaratorOpt != null)
            {
                // We're removing a single declarator.  Copy any comments it has to the out-var.
                //
                // Note: this is tricky due to comment ownership.  We want the comments that logically
                // belong to the declarator, even if our syntax model attaches them to other tokens.
                var precedingTrivia = declaratorOpt.GetAllPrecedingTriviaToPreviousToken(
                    sourceText, includePreviousTokenTrailingTriviaOnlyIfOnSameLine: true);
                if (precedingTrivia.Any(t => t.IsSingleOrMultiLineComment()))
                {
                    designation = designation.WithPrependedLeadingTrivia(MassageTrivia(precedingTrivia));
                }

                if (declaratorOpt.GetTrailingTrivia().Any(t => t.IsSingleOrMultiLineComment()))
                {
                    designation = designation.WithAppendedTrailingTrivia(MassageTrivia(declaratorOpt.GetTrailingTrivia()));
                }
            }

            return(SyntaxFactory.DeclarationExpression(newType, designation));
        }
        private static DeclarationExpressionSyntax GetDeclarationExpression(
            SourceText sourceText, IdentifierNameSyntax identifier,
            TypeSyntax newType, VariableDeclaratorSyntax declaratorOpt)
        {
            newType = newType.WithoutTrivia().WithAdditionalAnnotations(Formatter.Annotation);
            var designation = SyntaxFactory.SingleVariableDesignation(identifier.Identifier);

            if (declaratorOpt != null)
            {
                // We're removing a single declarator.  Copy any comments it has to the out-var.
                //
                // Note: this is tricky due to comment ownership.  We want hte comments that logically
                // belong to the declarator, even if our syntax model attaches them to other tokens.
                var precedingTrivia = declaratorOpt.GetAllPrecedingTriviaToPreviousToken(
                    sourceText, includePreviousTokenTrailingTriviaOnlyIfOnSameLine: true);
                if (precedingTrivia.Any(t => t.IsSingleOrMultiLineComment()))
                {
                    designation = designation.WithPrependedLeadingTrivia(MassageTrivia(precedingTrivia));
                }

                if (declaratorOpt.GetTrailingTrivia().Any(t => t.IsSingleOrMultiLineComment()))
                {
                    designation = designation.WithAppendedTrailingTrivia(MassageTrivia(declaratorOpt.GetTrailingTrivia()));
                }
            }

            return SyntaxFactory.DeclarationExpression(newType, designation);
        }