});
                        });

                        final List<String> newRoleList = stream(user.getRoleNames()).get(stream -> stream.collect(Collectors.toList()));
                        stream(user.getRoleNames()).of(stream -> stream.forEach(name -> {
                            if (oldRoleList.contains(name)) {
                                oldRoleList.remove(name);

            this.permissions = permissions;

        }

        @Override
        public String getName() {
            return name;
        }

        @Override
        public String[] getRoleNames() {
            return new String[0];
        }

        @Override
        public String[] getGroupNames() {
            return new String[0];
        }

        @Override