code: @Override
      public synchronized CommsServerByteBuffer allocate() {
          if (tc.isEntryEnabled())
              SibTr.entry(this, tc, "allocate");
  
          CommsServerByteBuffer buff = (CommsServerByteBuffer) super.allocate();
  
          if (tc.isEntryEnabled())
              SibTr.exit(this, tc, "allocate", buff);
          return buff;
      }
docs: Gets a CommsString from the pool. Any CommsString returned
  will be initially null.
  
  @return CommsString