code: public void unlockAll(int requestNumber, boolean incrementUnlockCount)
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "unlockAll", new Object[]{requestNumber,incrementUnlockCount});
  
        checkNotBrowserSession();                                   // F171893
  
        if (subConsumer != null)
        {
           subConsumer.unlockAll(requestNumber,incrementUnlockCount);
        }
        else
        {
           super.unlockAll(requestNumber,incrementUnlockCount);
        }
  
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "unlockAll");
     }
docs: Unlocks all messages locked by this consumer and has an Option to
  increment the unlock count or  not on unlock of messages. This call
  is delegated to the sub consumer if one exists or the
  <code>CATConsumer</code> version is used.
  
  @param requestNumber The request number which replies should be sent to.
  @param incrementUnlockCount Option to increment the unlock count or  not on unlock of messages