modules/jooby-cassandra/src/main/java/org/jooby/cassandra/Cassandra.java
public Cassandra doWithClusterBuilder(final Consumer<Cluster.Builder> configurer) {
    requireNonNull(configurer, "ClusterBuilder conf callback required.");
    return doWithClusterBuilder((b, c) -> configurer.accept(b));
  }
public Cassandra doWithClusterBuilder(final Consumer<Cluster.Builder> configurer) {
    requireNonNull(configurer, "ClusterBuilder conf callback required.");
    return doWithClusterBuilder((b, c) -> configurer.accept(b));
  }
Configure a cluster before creating it.

@param configurer Configurer callback.
@return This module.