public Queue<Runnable> getVolunteeringQueue() {
    return volunteeringQueue;
  }
Returns the {@link #volunteeringQueue} used to queue primary volunteering tasks by this PR's
BucketAdvisors.

@return the volunteering queue for use by this PR's BucketAdvisors
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/RegionAdvisor.java