presto-thrift-api/src/main/java/io/prestosql/plugin/thrift/api/PrestoThriftDomain.java/PrestoThriftDomain/PrestoThriftDomain
class PrestoThriftDomain:    @ThriftConstructor
    public PrestoThriftDomain(PrestoThriftValueSet valueSet, boolean nullAllowed)
    {
        this.valueSet = requireNonNull(valueSet, "valueSet is null");
        this.nullAllowed = nullAllowed;
    }