Method ReactParallel\Pool\Infinite\Infinite::run() should return React\Promise\PromiseInterface<T> but returns React\Promise\PromiseInterface<mixed>.

Parameter #1 $onFulfilled of method React\Promise\Promise<mixed>::then() expects (callable(mixed): mixed)|null, Closure(ReactParallel\Runtime\Runtime): React\Promise\PromiseInterface<mixed> given.

Call to deprecated method always() of class React\Promise\PromiseInterface: 3.0.0 Use finally() instead

Binary operation "-" between array{int, int}|float|int and array{int, int}|float|int|null results in an error.

Call to function assert() with false will always evaluate to false.

Call to function is_int() with string|null will always evaluate to false.

Property ReactParallel\Pool\Infinite\Infinite::$idleRuntimes (array<string>) does not accept array<int|string>.

Class "ReactParallel\Tests\Pool\Infinite\InfiniteTest" is not allowed to extend "ReactParallel\Tests\AbstractPoolTest".

Method ReactParallel\Tests\Pool\Infinite\InfiniteTest::poolFactory() is unused.