code: public Hbv doWith(final Consumer<HibernateValidatorConfiguration> configurer) {
      requireNonNull(configurer, "Configurer callback is required.");
      this.configurer = (hvc, conf) -> configurer.accept(hvc);
      return this;
    }
docs: Setup a configurer callback.
  
  @param configurer Configurer callback.
  @return This module.