async fn resolve_region_targets(
planned_batches: Vec<PlannedRegionBatch>,
partition_manager: &(impl PhysicalFlushPartitionProvider + ?Sized),
) -> Result<Vec<ResolvedRegionBatch>>async fn resolve_region_targets(
planned_batches: Vec<PlannedRegionBatch>,
partition_manager: &(impl PhysicalFlushPartitionProvider + ?Sized),
) -> Result<Vec<ResolvedRegionBatch>>