presto-iceberg/src/main/java/io/prestosql/plugin/iceberg/IcebergPageSinkProvider.java/IcebergPageSinkProvider/createPageSink
class IcebergPageSinkProvider:    @Override
    public ConnectorPageSink createPageSink(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorInsertTableHandle insertTableHandle)
    {
        return createPageSink(session, (IcebergWritableTableHandle) insertTableHandle);
    }