fn build_box_coordinator(
db: DatabaseConnection,
sink_param: SinkParam,
iceberg_compact_stat_sender: Option<UnboundedSender<IcebergSinkCompactionUpdate>>,
) -> BoxCoordinator
fn build_box_coordinator(
db: DatabaseConnection,
sink_param: SinkParam,
iceberg_compact_stat_sender: Option<UnboundedSender<IcebergSinkCompactionUpdate>>,
) -> BoxCoordinator