code: func Hosts(hosts string) *CassandraSource {
  	return &CassandraSource{
  		hosts:        hosts,
  		keyspace:     "system",
  		table:        "local",
  		selectClause: "*",
  		ShardCount:   32,
  		Concurrency:  4,
  		prefix:       "cassandra",
  	}
  }
docs: /*
  This file is only for the builder API.
  */