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"));
    }

      public void forEach(Consumer<? super T> action) {
        checkNotNull(action);
        new Consumer<T>() {
          @Override
          public void accept(T t) {
            action.accept(t);
            children(t).forEach(this);
          }
        }.accept(root);
      }
    };
  }

  UnmodifiableIterator<T> preOrderIterator(T root) {
    return new PreOrderIterator(root);
  }

        .newBuilder(server.url("/").toUri())
        .header("Accept", "text/plain")
        .build()

    val response = httpClient.send(request, BodyHandlers.ofString())
    assertThat(response.statusCode()).isEqualTo(200)
    assertThat(response.body()).isEqualTo("hello, Java HTTP Client")

    val recorded = server.takeRequest()
    assertThat(recorded.headers["Accept"]).isEqualTo("text/plain")

    if (streamA.isParallel() || streamB.isParallel()) {
      zip(streamA, streamB, TemporaryPair::new).forEach(pair -> consumer.accept(pair.a, pair.b));
    } else {
      Iterator<A> iterA = streamA.iterator();
      Iterator<B> iterB = streamB.iterator();
      while (iterA.hasNext() && iterB.hasNext()) {
        consumer.accept(iterA.next(), iterB.next());
      }
    }
  }

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

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

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

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

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

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

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

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