public final boolean remove(K key) {
        P pool =  map.remove(checkNotNull(key, "key"));
        if (pool != null) {
            pool.close();
            return true;
        }
        return false;
    }
public final boolean remove ( K key ) { P pool = map . remove ( checkNotNull ( key , "key" ) ) ; if ( pool != null ) { pool . close ( ) ; return true ; } return false ; }
Remove the {@link ChannelPool} from this {@link AbstractChannelPoolMap}. Returns {@code true} if removed,
{@code false} otherwise.

Please note that {@code null} keys are not allowed.