presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/NativeCassandraSession.java/NativeCassandraSession/getTokenRanges
class NativeCassandraSession:    @Override
    public Set<TokenRange> getTokenRanges()
    {
        return executeWithSession(session -> session.getCluster().getMetadata().getTokenRanges());
    }