lib/private/Session/CryptoSessionHandler.php:107:25: InvalidScalarArgument: Argument 1 of array_keys expects array<array-key, mixed>, but possibly undefined array<array-key, mixed> provided (see https://psalm.dev/012)

lib/private/Session/CryptoSessionHandler.php:140:27: InvalidReturnType: Not all code paths of OC\Session\CryptoSessionHandler::close end in a return statement, return type bool expected (see https://psalm.dev/011)