examples/AssociativeArrayTest.php:19:27: UndefinedInterfaceMethod: Method Countable::offsetGet does not exist (see https://psalm.dev/181)

examples/AssociativeArrayTest.php:21:27: UndefinedInterfaceMethod: Method Countable::offsetGet does not exist (see https://psalm.dev/181)

src/Shrinker/Multiple.php:53:46: UndefinedVariable: Cannot find referenced variable $elementsAfterShrink (see https://psalm.dev/024)

src/TestTrait.php:62:46: InternalMethod: The method PHPUnit\Framework\TestCase::name is internal to PHPUnit but called from Eris\TestTrait::getTestCaseAttributes (see https://psalm.dev/175)

src/TestTrait.php:147:72: InternalMethod: The method PHPUnit\Framework\TestCase::toString is internal to PHPUnit but called from Eris\TestTrait::onNotSuccessfulTest (see https://psalm.dev/175)

test/Generator/AssociativeArrayGeneratorTest.php:53:19: UndefinedInterfaceMethod: Method Countable::offsetGet does not exist (see https://psalm.dev/181)

test/Generator/AssociativeArrayGeneratorTest.php:56:19: UndefinedInterfaceMethod: Method Countable::offsetGet does not exist (see https://psalm.dev/181)

test/Generator/AssociativeArrayGeneratorTest.php:79:28: InvalidArgument: Argument 1 of array_keys expects array<array-key, mixed>, but Countable|iterable<mixed, mixed> provided (see https://psalm.dev/004)

test/Generator/AssociativeArrayGeneratorTest.php:81:33: UndefinedInterfaceMethod: Method Countable::offsetGet does not exist (see https://psalm.dev/181)

test/Generator/AssociativeArrayGeneratorTest.php:82:33: UndefinedInterfaceMethod: Method Countable::offsetGet does not exist (see https://psalm.dev/181)

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, ramsey/composer-install@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, ramsey/composer-install@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/