public void removeAtRange(int index,int size){
  final int end=Math.min(mSize,index + size);
  for (int i=index; i < end; i++) {
    removeAt(i);
  }
}

public void removeAtRange ( int index , int size ) { final int end = Math . min ( mSize , index + size ) ; for ( int i = index ; i < end ; i ++ ) { removeAt ( i ) ; } }
remove a range of mappings as a batch .
