List<String> roleIds = getRoleIdsForPermissionTemplate( namespaceCode, permissionTemplateName, permissionDetails);
    	if ( roleIds.isEmpty() ) {
    		return Collections.emptyList();
    	}
    	Collection<RoleMembership> roleMembers = roleService.getRoleMembers( roleIds,qualification);
    	List<Assignee> results = new ArrayList<Assignee>();
        for ( RoleMembership rm : roleMembers ) {
			List<DelegateType.Builder> delegateBuilderList = new ArrayList<DelegateType.Builder>();
			if (!rm.getDelegates().isEmpty()) {
    			for (DelegateType delegate : rm.getDelegates()){
                    delegateBuilderList.add(DelegateType.Builder.create(delegate));
    			}
			}
    		if ( MemberType.PRINCIPAL.equals(rm.getMemberType()) ) {
    			results.add (Assignee.Builder.create(rm.getMemberId(), null, delegateBuilderList).build());
    		} else { // a group membership

                if (roleTypeService != null) {
                    List<RoleMembership> las = roleIdToMembershipMap.get(roleMemberBo.getRoleId());
                    if (las == null) {
                        las = new ArrayList<RoleMembership>();
                        roleIdToMembershipMap.put(roleMemberBo.getRoleId(), las);
                    }
                    RoleMembership mi = RoleMembership.Builder.create(
                            roleMemberBo.getRoleId(),
                            roleMemberBo.getRoleMemberId(),
                            roleMemberBo.getMemberId(),
                            roleMemberBo.getMemberType(),
                            roleMemberBo.getAttributes()).build();

                    las.add(mi);
                } else {
                    results.add(roleMemberBo.getAttributes());
                }
            } else if (MemberType.ROLE.equals(roleMemberBo.getMemberType())) {