@Override
    public List<UniqueKey<PermissionDocRecord>> getUniqueKeys() {
        return Arrays.asList(Keys.KEY_PERMISSION_DOC_PERMISSION_DOC_USER_UUID_DOC_UUID_IDX);
    }
Create a <code>stroom.permission_doc</code> table reference
stroom-security/stroom-security-impl-db-jooq/src/main/java/stroom/security/impl/db/jooq/tables/PermissionDoc.java