presto-blackhole/src/main/java/io/prestosql/plugin/blackhole/BlackHoleHandleResolver.java/BlackHoleHandleResolver/getInsertTableHandleClass
class BlackHoleHandleResolver:    @Override
    public Class<? extends ConnectorInsertTableHandle> getInsertTableHandleClass()
    {
        return BlackHoleInsertTableHandle.class;
    }