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) {
        acceptPK((String) primaryKeyMap.get("_id"));
    }

    AtomicInteger deliveries = new AtomicInteger();
    EventBus bus = new EventBus();
    bus.register(
        new Object() {
          @Subscribe
          public void accept(String str) {
            holder.set(str);
            deliveries.incrementAndGet();
          }
        });

    String EVENT = "Hello!";
    bus.post(EVENT);

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

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {
        acceptPK((String) primaryKeyMap.get("_id"));
    }

  }

  @Override
  public int size() {
    return 1;
  }

  @Override
  public void forEach(BiConsumer<? super K, ? super V> action) {
    checkNotNull(action).accept(singleKey, singleValue);
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    return singleKey.equals(key);
  }

  @Override
  public boolean containsValue(@Nullable Object value) {

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

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {
        acceptPK((String) primaryKeyMap.get("_id"));
    }

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

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {
        acceptPK((String) primaryKeyMap.get("_id"));
    }

    return new ImmutableMapKeySet<>(this);
  }

  @Override
  public void forEach(BiConsumer<? super K, ? super V> action) {
    checkNotNull(action);
    for (Entry<K, V> entry : entries) {
      action.accept(entry.getKey(), entry.getValue());
    }
  }

  @Override
  boolean isHashCodeFast() {
    return true;
  }

  @Override
  public int hashCode() {
    return hashCode;
  }

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

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {
        acceptPK((String) primaryKeyMap.get("_id"));
    }

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

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {
        acceptPK((String) primaryKeyMap.get("_id"));
    }

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

    @Override
    public void acceptPrimaryKeyMap(Map<String, ? extends Object> primaryKeyMap) {
        acceptPK((String) primaryKeyMap.get("_id"));
    }