@Override
  public int getDSFID() {
    return PR_MOVE_BUCKET_MESSAGE;
  }
Sends a message to move the bucket from <code>source</code> member to the
<code>recipient</code> member.

@param recipient the member to move the bucket to
@param region the PartitionedRegion of the bucket
@param bucketId the bucket to move
@param source the member to move the bucket from
@return the processor used to wait for the response
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/MoveBucketMessage.java