private void CreateAuditVariable(StatementSyntax statement)
        {
            string documentName = Path.GetFileNameWithoutExtension(_documentPath);
            int span = statement.SpanStart - statement.GetParentMethod().SpanStart;
            string nodePath = NodePathBuilder.BuildPath(statement, documentName, _projectName);
            var auditVariablePlaceholder = new AuditVariablePlaceholder(_documentPath,
                nodePath,
                span);

            _auditVariablePlaceholders.Add(auditVariablePlaceholder);
        }