src/Controller/DiscoPower.php:61:48: ArgumentTypeCoercion: Argument 2 of preg_match expects string, but parent type null|scalar provided (see https://psalm.dev/193)

src/Controller/DiscoPower.php:61:48: PossiblyNullArgument: Argument 2 of preg_match cannot be null, possibly null value provided (see https://psalm.dev/078)

src/Controller/DiscoPower.php:64:36: ArgumentTypeCoercion: Argument 1 of Symfony\Component\HttpFoundation\JsonResponse::setCallback expects null|string, but parent type null|scalar provided (see https://psalm.dev/193)

src/PowerIdPDisco.php:239:41: PossiblyInvalidArgument: Argument 1 of parse_url expects string, but possibly different type non-empty-array<int|non-empty-string, array<int|non-empty-string, mixed>|string>|string provided (see https://psalm.dev/092)

src/PowerIdPDisco.php:294:16: ImplementedReturnTypeMismatch: The inherited return type 'null' for SimpleSAML\XHTML\IdPDisco::handleRequest is different to the implemented return type for SimpleSAML\Module\discopower\PowerIdPDisco::handlerequest 'Symfony\Component\HttpFoundation\Response' (see https://psalm.dev/123)

src/PowerIdPDisco.php:296:5: MethodSignatureMismatch: Method SimpleSAML\Module\discopower\PowerIdPDisco::handleRequest with return type 'Symfony\Component\HttpFoundation\Response' is different to return type 'void' of inherited method SimpleSAML\XHTML\IdPDisco::handleRequest (see https://psalm.dev/042)

src/PowerIdPDisco.php:318:18: RiskyTruthyFalsyComparison: Operand of type null|string contains type string, which can be falsy and truthy. This can cause possibly unexpected behavior. Use strict comparison instead. (see https://psalm.dev/356)

src/PowerIdPDisco.php:395:16: RedundantCast: Redundant cast to string (see https://psalm.dev/262)

src/PowerIdPDisco.php:399:17: DocblockTypeContradiction: string does not contain false (see https://psalm.dev/155)