@Override
  public PartitionedRegion getPartitionedRegion() {
    return partitionedRegion;
  }
Return true if this bucket has been destroyed. Don't bother checking to see if the PR that owns
this bucket was destroyed; that has already been checked.

@since GemFire 6.0
geode-core/src/main/java/org/apache/geode/internal/cache/BucketRegion.java