void removeReplicaFromFileCopy(ReplicaId replicaId){
      inFlightReplicas.remove(replicaId);
      replicaToStartTimeMap.remove(replicaId);
      prioritizationManager.removeInProgressReplica(replicaId.getDiskId(), replicaId);
      cleanUpStagingDirectory(replicaId);
    }
Use FileCopyTemporaryDirectoryName to create a temporary directory for file copy.
This will be used to write the files which are not yet written and can be cleaned
up without
ambry-file-transfer/src/main/java/com/github/ambry/filetransfer/FileCopyBasedReplicationSchedulerImpl.java