presto-blackhole/src/main/java/io/prestosql/plugin/blackhole/BlackHoleMetadata.java/BlackHoleMetadata/getTableMetadata
class BlackHoleMetadata:    @Override
    public ConnectorTableMetadata getTableMetadata(ConnectorSession session, ConnectorTableHandle tableHandle)
    {
        BlackHoleTableHandle blackHoleTableHandle = (BlackHoleTableHandle) tableHandle;
        return blackHoleTableHandle.toTableMetadata();
    }