code: public static Keyspace createKeyspace(String keyspace, Cluster cluster,
        ConsistencyLevelPolicy consistencyLevelPolicy,
        FailoverPolicy failoverPolicy, Map<String, String> credentials) {
      return new ExecutingKeyspace(keyspace, cluster.getConnectionManager(),
          consistencyLevelPolicy, failoverPolicy, credentials);
    }
docs: Creates a Keyspace with the given consistency level, fail over policy
  and user credentials. For a reference to the consistency level, please
  refer to http://wiki.apache.org/cassandra/API.
  
  @param keyspace
  @param cluster
  @param consistencyLevelPolicy
  @param credentials
  @return