code: public synchronized boolean remove(int id)
     {
  		if (tc.isEntryEnabled()) SibTr.entry(this, tc, "remove", ""+id);
        
        final boolean result = contains(id);
        if (result)
        {
           mutableKey.setValue(id);
           idToConvTable.remove(mutableKey);
        }
        if (tc.isEntryEnabled()) SibTr.exit(this, tc, "remove", ""+result);
        return result;
     }
docs: Remove a conversation from the table by ID
  @param id