private static void insertXmlContentInNamedQueriesFile(SourceFile namedQueriesXmlFile, string xmlContent)
        {
            TextDocument namedQueriesXmlDocument = namedQueriesXmlFile.Document as TextDocument;

            DXXmlElement hibernateMappingTag = (namedQueriesXmlFile.FindChildByName("hibernate-mapping") as DXXmlElement);

            if (hibernateMappingTag == null)
            {
                throw new Exception("<hibernate-mapping> tag not found in " + namedQueriesXmlFile.FilePath);
            }

            int insertLine = (hibernateMappingTag as DXHtmlElement).CloseTagNameRange.End.Line;

            namedQueriesXmlDocument.InsertLines(insertLine, new string[1] {
                xmlContent
            });
            namedQueriesXmlDocument.FormatLine(insertLine);
        }