Nelmio\Alice\Definition\Fixture\TemplatingFixture::getSpecs PHP Method

    public function getSpecs() : SpecificationBag
    {
        return $this->fixture->getSpecs();
    }

 public function getExtendedFixture(TemplatingFixture $fixture, FixtureBag $extendedFixtures)
 {
     $specs = $fixture->getSpecs();
     foreach ($extendedFixtures as $extendedFixture) {
         /** @var FixtureInterface $extendedFixture */
         $specs = $specs->mergeWith($extendedFixture->getSpecs());
     }
     return $fixture->withSpecs($specs);
 }