fn instrument_scan_task_stream(
scan_tasks: FileScanTaskStream,
metrics: Option<IcebergScanMetricsLabels>,
) -> Pin<Box<dyn Stream<Item = Result<FileScanTask, ConnectorError>> + Send>>fn instrument_scan_task_stream(
scan_tasks: FileScanTaskStream,
metrics: Option<IcebergScanMetricsLabels>,
) -> Pin<Box<dyn Stream<Item = Result<FileScanTask, ConnectorError>> + Send>>