protected override bool IsFixable(StatementSyntax statement, BlockSyntax block, SyntaxKind parentKind)
        {
            if (!parentKind.Is(
                    SyntaxKind.MethodDeclaration,
                    SyntaxKind.LocalFunctionStatement))
            {
                return(false);
            }

            if (object.ReferenceEquals(block.Statements.SingleOrDefault(ignoreLocalFunctions: true, shouldThrow: false), statement))
            {
                return(false);
            }

            TextSpan span = TextSpan.FromBounds(block.SpanStart, statement.FullSpan.Start);

            return(block.ContainsYield(span));
        }