Nelmio\Alice\Definition\Value\ParameterValueTest::provideInputValues PHP Метод

    public function provideInputValues()
    {
        (yield 'null' => [null, 'Expected parameter key to be either a string or an instance of "Nelmio\\Alice\\Definition\\ValueInterface". ' . 'Got "NULL" instead.']);
        (yield 'array' => [[], 'Expected parameter key to be either a string or an instance of "Nelmio\\Alice\\Definition\\ValueInterface". ' . 'Got "array" instead.']);
        (yield 'stdClass' => [new \stdClass(), 'Expected parameter key to be either a string or an instance of "Nelmio\\Alice\\Definition\\ValueInterface". ' . 'Got "stdClass" instead.']);
    }