presto-blackhole/src/main/java/io/prestosql/plugin/blackhole/BlackHoleMetadata.java/BlackHoleMetadata/beginInsert
class BlackHoleMetadata:    @Override
    public ConnectorInsertTableHandle beginInsert(ConnectorSession session, ConnectorTableHandle tableHandle)
    {
        BlackHoleTableHandle handle = (BlackHoleTableHandle) tableHandle;
        return new BlackHoleInsertTableHandle(handle.getPageProcessingDelay());
    }