question: public void removeChannelMap ( ChannelMap channelMap ) { if ( mChannelMaps . contains ( channelMap ) ) { int index = mChannelMaps . indexOf ( channelMap ) ; mChannelMaps . remove ( channelMap ) ; fireIntervalRemoved ( this , index , index ) ; broadcast ( new ChannelMapEvent ( channelMap , Event . DELETE ) ) ; } }
target:  Removes the channel map from this model