public MongoRx doWith(final BiConsumer<MongoClientSettings.Builder, Config> configurer) {
    this.configurer = requireNonNull(configurer, "Configurer is required.");
    return this;
  }
public MongoRx doWith(final BiConsumer<MongoClientSettings.Builder, Config> configurer) {
    this.configurer = requireNonNull(configurer, "Configurer is required.");
    return this;
  }
public MongoRx doWith ( final BiConsumer < MongoClientSettings . Builder , Config > configurer ) { this . configurer = requireNonNull ( configurer , "Configurer is required." ) ; return this ; }
Allow further configuration on the {@link MongoClientSettings}.

@param configurer Configurer callback.
@return This module.
Allow further configuration on the { @link MongoClientSettings } .