def belongs_to?(group)
      group = AccessGroup.get(group) unless group.is_a?(::Incline::AccessGroup)
      return false unless group
      safe_belongs_to?(group)
    end
def belongs_to?(group)
      group = AccessGroup.get(group) unless group.is_a?(::Incline::AccessGroup)
      return false unless group
      safe_belongs_to?(group)
    end
Determines if this group belongs to the specified group.