src/Collection.php:618:35: ParamNameMismatch: Argument 1 of loophp\collection\Collection::plus has wrong name $iterable, expecting $items as defined by loophp\collection\Contract\Operation\Plusable::plus (see https://psalm.dev/230)

Process completed with exit code 1.

Method loophp\collection\Collection::coalesce() should return loophp\collection\Contract\Collection<TKey, T> but returns loophp\collection\Collection<mixed, mixed>.

Method loophp\collection\Collection::collapse() should return loophp\collection\Contract\Collection<TKey, T> but returns loophp\collection\Collection<mixed, mixed>.

Method loophp\collection\Collection::cycle() should return loophp\collection\Contract\Collection<TKey, T> but returns loophp\collection\Collection<mixed, mixed>.

Method loophp\collection\Collection::flip() should return loophp\collection\Contract\Collection<T, TKey> but returns loophp\collection\Collection<mixed, mixed>.

Parameter #1 $ of closure expects callable(mixed, mixed, mixed, iterable): mixed, callable(T|V, T, TKey, iterable<TKey, T>): V given.

Parameter #1 $ of closure expects callable(mixed, mixed, mixed, iterable): mixed, callable(T|V, T, TKey, iterable<TKey, T>): V given.

Method loophp\collection\Collection::frequency() should return loophp\collection\Contract\Collection<int, T> but returns loophp\collection\Collection<int, mixed>.

Method loophp\collection\Collection::init() should return loophp\collection\Contract\Collection<TKey, T> but returns loophp\collection\Collection<mixed, mixed>.

Method loophp\collection\Collection::keys() should return loophp\collection\Contract\Collection<int, TKey> but returns loophp\collection\Collection<int, mixed>.