code: public static <K, V> void operator_remove(Map<K, V> map, Iterable<? super K> keysToRemove) {
  		for (final Object key : keysToRemove) {
  			map.remove(key);
  		}
  	}
docs: Remove pairs with the given keys from the map.
  
  @param <K> type of the map keys.
  @param <V> type of the map values.
  @param map the map to update.
  @param keysToRemove the keys of the pairs to remove.
  @since 2.15