code: @Override
      public boolean contains(IEntityGroup group, IGroupMember member) throws GroupsException {
          boolean found = false;
          Iterator itr = (member.isGroup()) ? findMemberGroups(group) : findEntitiesForGroup(group);
          while (itr.hasNext() && !found) {
              found = member.equals(itr.next());
          }
          return found;
      }
docs: Answers if <code>group</code> contains <code>member</code>.
  
  @return boolean
  @param group org.apereo.portal.groups.IEntityGroup
  @param member org.apereo.portal.groups.IGroupMember