Process completed with exit code 1.

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Process completed with exit code 1.

Process completed with exit code 1.

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Child process error (exit code 255): PHP Fatal error: A class constant must not be called 'class'; it is reserved for class name fetching in /home/runner/work/phpstan-src/phpstan-src/e2e/bug-11826/src/FatalErrorWhenAutoloaded.php on line 9 Fatal error: A class constant must not be called 'class'; it is reserved for class name fetching in /home/runner/work/phpstan-src/phpstan-src/e2e/bug-11826/src/FatalErrorWhenAutoloaded.php on line 9 while running parallel worker

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Process completed with exit code 1.

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Process completed with exit code 1.

Process completed with exit code 1.

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().

Return type mixed of method Ds\Vector::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Process completed with exit code 1.

The job was canceled because "cd_e2e_discussion-11362_c" failed.

The operation was canceled.

Return type mixed of method ArrayObject::getIterator() is not covariant with return type Traversable<TKey of (int|string), TValue> of method IteratorAggregate<TKey of (int|string),TValue>::getIterator().

Return type mixed of method Exception::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Exception::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method Error::getCode() is not covariant with return type mixed of method Throwable::getCode().

Return type array of method Error::getTrace() is not covariant with return type list<array<string, array<mixed>|int|object|string>> of method Throwable::getTrace().

Return type mixed of method SplObjectStorage::offsetGet() is not covariant with return type TData|null of method ArrayAccess<TObject of object,TData>::offsetGet().

Return type mixed of method WeakMap::offsetGet() is not covariant with return type TValue|null of method ArrayAccess<TKey of object,TValue>::offsetGet().

Return type mixed of method Ds\Deque::copy() is not covariant with return type static(Ds\Collection<TKey, TValue>) of method Ds\Collection<int,TValue>::copy().

Return type array of method Ds\Map::toArray() is not covariant with return type array<(int&TKey)|(string&TKey), TValue> of method Ds\Collection<TKey,TValue>::toArray().