partial         void CopyExtraPropertiesToClone(GroupPermissionProjects clone, bool includeLocalProperties);
 public GroupPermissionProjects Clone(bool includeLocalProperties)
 {
     var c = new GroupPermissionProjects
             {
                 Projects = Projects.Select(x=>x.Clone(includeLocalProperties)).ToList(),
             };
     CopyExtraPropertiesToClone(c, includeLocalProperties);
     return c;
 }