private static async Task <Document> ReplaceWithExpressionBodiedMember(Document document, ConversionOperatorDeclarationSyntax declaration, CancellationToken cancellationToken)
        {
            SyntaxTriviaList leadingTrivia;
            var expression = GetExpressionAndLeadingTrivia(declaration.Body, out leadingTrivia);

            var declarationTrivia = declaration.GetLeadingTrivia();

            declarationTrivia = declarationTrivia.AddRange(leadingTrivia);

            var newDeclaration = declaration
                                 .WithLeadingTrivia(declarationTrivia)
                                 .WithExpressionBody(SyntaxFactory.ArrowExpressionClause(expression))
                                 .WithBody(null)
                                 .WithSemicolonToken(GetSemicolon(declaration.Body))
                                 .WithAdditionalAnnotations(Formatter.Annotation);

            var root = await document.GetSyntaxRootAsync(cancellationToken);

            var newRoot = root.ReplaceNode(declaration, newDeclaration);

            return(document.WithSyntaxRoot(newRoot));
        }
        private static async Task<Document> ReplaceWithExpressionBodiedMember(Document document, ConversionOperatorDeclarationSyntax declaration, CancellationToken cancellationToken)
        {
            SyntaxTriviaList leadingTrivia;
            var expression = GetExpressionAndLeadingTrivia(declaration.Body, out leadingTrivia);

            var declarationTrivia = declaration.GetLeadingTrivia();
            declarationTrivia = declarationTrivia.AddRange(leadingTrivia);

            var newDeclaration = declaration
                .WithLeadingTrivia(declarationTrivia)
                .WithExpressionBody(SyntaxFactory.ArrowExpressionClause(expression))
                .WithBody(null)
                .WithSemicolonToken(GetSemicolon(declaration.Body))
                .WithAdditionalAnnotations(Formatter.Annotation);

            var root = await document.GetSyntaxRootAsync(cancellationToken);
            var newRoot = root.ReplaceNode(declaration, newDeclaration);

            return document.WithSyntaxRoot(newRoot);
        }