public static bool HasPropertyGroup(this ProjectFileModel projectFile)
        {
            var output = projectFile.ProjectElement.Value.Elements()
                         .Where(x => ProjectFileModelExtensions.IsPropertyGroup(x))
                         .Any();

            return(output);
        }
        public static PropertyGroupXElement GetPropertyGroup(this ProjectFileModel projectFile)
        {
            var output = projectFile.ProjectElement.Value.Elements()
                         .Where(x => ProjectFileModelExtensions.IsPropertyGroup(x))
                         .Single()
                         .AsPropertyGroup();

            return(output);
        }