@Override
  public String toString() {
    return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
      .appendSuper(describeLockStatus()).append("waitingProcCount", queue.size()).build();
  }
Returns whether we should wake the procedures waiting on the lock here.
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/LockAndQueue.java