public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
        {
            SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);

            if (!TryFindFirstAncestorOrSelf(root, context.Span, out StatementSyntax statement))
            {
                return;
            }

            CodeAction codeAction = CodeAction.Create(
                "Format statement on a separate line",
                cancellationToken => FormatEachStatementOnSeparateLineRefactoring.RefactorAsync(context.Document, statement, cancellationToken),
                GetEquivalenceKey(DiagnosticIdentifiers.FormatEachStatementOnSeparateLine));

            context.RegisterCodeFix(codeAction, context.Diagnostics);
        }
        public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
        {
            SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);

            StatementSyntax statement = root
                                        .FindNode(context.Span, getInnermostNodeForTie: true)?
                                        .FirstAncestorOrSelf <StatementSyntax>();

            if (statement == null)
            {
                return;
            }

            CodeAction codeAction = CodeAction.Create(
                "Format embedded statement on a separate line",
                cancellationToken => FormatEachStatementOnSeparateLineRefactoring.RefactorAsync(context.Document, statement, cancellationToken),
                DiagnosticIdentifiers.FormatEmbeddedStatementOnSeparateLine + EquivalenceKeySuffix);

            context.RegisterCodeFix(codeAction, context.Diagnostics);
        }