StatementSyntax GetInsideStatement(StatementSyntax singleStatement)
            {
                if (singleStatement is BlockSyntax newBlockStatement)
                {
                    if ((singleStatement = GetInsideStatement(newBlockStatement)) == null)
                    {
                        return(null);
                    }
                }

                if (singleStatement.HasNoneWhiteSpaceTrivia())
                {
                    return(null);
                }

                return(singleStatement);
            }