public String getRoleSearchUserPrefix() {
                return fessConfig.getRoleSearchUserPrefix();
            }

            @Override
            public String getRoleSearchGroupPrefix() {
                return fessConfig.getRoleSearchGroupPrefix();
            }

            @Override
            public String getRoleSearchRolePrefix() {
                return "";
            }

            @Override

    @Override
    public String[] getGroupNames() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return stream(getPermissions()).get(stream -> stream.filter(s -> s.startsWith(fessConfig.getRoleSearchGroupPrefix()))
                .map(s -> s.substring(1)).toArray(n -> new String[n]));
    }

    public Hashtable<String, String> getEnvironment() {
        return env;
    }

    @Override

        stream(getRoles()).of(stream -> stream.forEach(s -> list.add(fessConfig.getRoleSearchRolePrefix() + decode(s))));
        stream(getGroups()).of(stream -> stream.forEach(s -> list.add(fessConfig.getRoleSearchGroupPrefix() + decode(s))));
        return list.toArray(new String[list.size()]);
    }

    @Override
    public boolean isEditable() {
        return true;
    }