});
        return interpolator;
    }

    @Nonnull
    public static Function<String, String> prefix(String prefix, Function<String, String> cb) {
        return s -> {
            String v = null;
            if (s.startsWith(prefix)) {
                v = cb.apply(s.substring(prefix.length()));
            }
            return v;
        };
    }

    @SafeVarargs
    @Nonnull

you can use these classes like this:
/- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
memberBhv.selectEntity(cb -> {
    cb.query().setMemberId_Equal(3);
}).alwaysPresent(member -> {
    ... = member.getMemberName();
});
// memberBhv      : Behavior (instance)
// MemberCB(cb)   : ConditionBean
// Member(member) : Entity
- - - - - - - - - -/

manage.bat(sh) => 24 (sql2entity):

            if (configuration == null) {
                configuration = new XmlNodeImpl("configuration");
            }
            Function<String, String> cb = Interpolator.memoize(callback);
            Function<String, String> it = s -> interpolator.interpolate(s, cb);
            configuration = new ExtensionInterpolator(it).transform(configuration);

            binder.bind(XmlNode.class)

    //                                                                         ===========
    public BadWordCB acceptPK(String id) {
        assertObjectNotNull("id", id);
        BsBadWordCB cb = this;
        cb.query().docMeta().setId_Equal(id);
        return (BadWordCB) this;
    }

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {

    //                                                                         ===========
    public BoostDocumentRuleCB acceptPK(String id) {
        assertObjectNotNull("id", id);
        BsBoostDocumentRuleCB cb = this;
        cb.query().docMeta().setId_Equal(id);
        return (BoostDocumentRuleCB) this;
    }

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {

    //                                                                         ===========
    public ElevateWordCB acceptPK(String id) {
        assertObjectNotNull("id", id);
        BsElevateWordCB cb = this;
        cb.query().docMeta().setId_Equal(id);
        return (ElevateWordCB) this;
    }

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {

    //                                                                         ===========
    public RequestHeaderCB acceptPK(String id) {
        assertObjectNotNull("id", id);
        BsRequestHeaderCB cb = this;
        cb.query().docMeta().setId_Equal(id);
        return (RequestHeaderCB) this;
    }

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {

    //                                                                         ===========
    public SearchLogCB acceptPK(String id) {
        assertObjectNotNull("id", id);
        BsSearchLogCB cb = this;
        cb.query().docMeta().setId_Equal(id);
        return (SearchLogCB) this;
    }

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {

    //                                                                         ===========
    public FavoriteLogCB acceptPK(String id) {
        assertObjectNotNull("id", id);
        BsFavoriteLogCB cb = this;
        cb.query().docMeta().setId_Equal(id);
        return (FavoriteLogCB) this;
    }

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {

    //                                                                         ===========
    public UserInfoCB acceptPK(String id) {
        assertObjectNotNull("id", id);
        BsUserInfoCB cb = this;
        cb.query().docMeta().setId_Equal(id);
        return (UserInfoCB) this;
    }

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {