presto-thrift-api/src/main/java/io/prestosql/plugin/thrift/api/PrestoThriftTupleDomain.java/PrestoThriftTupleDomain/getDomains
class PrestoThriftTupleDomain:    @Nullable
    @ThriftField(value = 1, requiredness = OPTIONAL)
    public Map<String, PrestoThriftDomain> getDomains()
    {
        return domains;
    }