@Override
  public List<PartitionId> getAllPartitionIds(String partitionClass) {
    return staticClusterManager.getAllPartitionIds(partitionClass);
  }
{@inheritDoc}
Get all partition ids from both the underlying {@link StaticClusterManager}.
@param partitionClass the partition class whose partitions are required. Can be {@code null}
@return a list of partition ids from the underlying {@link StaticClusterManager}.
ambry-clustermap/src/main/java/com/github/ambry/clustermap/RecoveryTestClusterManager.java