stream(groups).of(stream -> stream.forEach(s -> permissionSet.add(systemHelper.getSearchRoleByGroup(s))));
                stream(roles).of(stream -> stream.forEach(s -> permissionSet.add(systemHelper.getSearchRoleByRole(s))));
                permissions = permissionSet.toArray(new String[permissionSet.size()]);
            }
            return permissions;
        }

    }

                stream(groups).of(stream -> stream.forEach(s -> permissionSet.add(systemHelper.getSearchRoleByGroup(s))));
                stream(roles).of(stream -> stream.forEach(s -> permissionSet.add(systemHelper.getSearchRoleByRole(s))));
                permissions = permissionSet.stream().filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]);
            }
            return permissions;
        }

        @Override

                stream(groups).of(stream -> stream.forEach(s -> permissionSet.add(systemHelper.getSearchRoleByGroup(s))));
                stream(roles).of(stream -> stream.forEach(s -> permissionSet.add(systemHelper.getSearchRoleByRole(s))));
                permissions = permissionSet.toArray(new String[permissionSet.size()]);
            }
            return permissions;
        }

        public String getSessionIndex() {

        assertEquals("1test", systemHelper.getSearchRoleByUser("test"));
        assertEquals("Rtest", systemHelper.getSearchRoleByRole("test"));
        assertEquals("2test", systemHelper.getSearchRoleByGroup("test"));

        assertEquals("1", systemHelper.getSearchRoleByUser(""));
        assertEquals("R", systemHelper.getSearchRoleByRole(""));
        assertEquals("2", systemHelper.getSearchRoleByGroup(""));
    }

            }
            return null;
        }
        if (lower.startsWith(rolePrefix)) {
            if (permission.length() > rolePrefix.length()) {
                return aclPrefix + systemHelper.getSearchRoleByRole(permission.substring(rolePrefix.length()));
            }
            return null;
        }
        return permission;
    }

    public String decode(final String value) {

    }

    public String getSearchRoleByGroup(final String name) {
        return createSearchRole(ComponentUtil.getFessConfig().getRoleSearchGroupPrefix(), name);
    }

    public String getSearchRoleByRole(final String name) {
        return createSearchRole(ComponentUtil.getFessConfig().getRoleSearchRolePrefix(), name);
    }

    protected String createSearchRole(final String type, final String name) {

        final boolean isRole = entryDn.toLowerCase(Locale.ROOT).indexOf("ou=role") != -1;
        if (isRole) {
            if (fessConfig.isLdapRoleSearchRoleEnabled()) {
                roleSet.add(systemHelper.getSearchRoleByRole(normalizePermissionName(name)));
            }
        } else if (fessConfig.isLdapRoleSearchGroupEnabled()) {
            roleSet.add(systemHelper.getSearchRoleByGroup(normalizePermissionName(name)));
        }