void (@NotNull FMap<String, String> map) { assertSame(map, map.minus("nonexistentKey")); int size = map.size(); for (int i = 0; i < size; i++) { var updatedMap = map.minus(key(i)); assertSize(size - 1, updatedMap); assertKeys(size, updatedMap, i); assertValues(size, updatedMap, i); } }