Jose\LoaderInterface::load PHP Метод

    public function load($input);

 /**
  * @param \Jose\Object\JWEInterface    $jwe
  * @param \Jose\Object\JWKSetInterface $encryption_key_set
  *
  * @return \Jose\Object\JWSInterface
  */
 private function decryptAssertion(Object\JWEInterface $jwe, Object\JWKSetInterface $encryption_key_set)
 {
     $this->decrypter->decryptUsingKeySet($jwe, $encryption_key_set);
     $jws = $this->loader->load($jwe->getPayload());
     Assertion::isInstanceOf($jws, Object\JWSInterface::class, 'The encrypted assertion does not contain a JWS.');
     return $jws;
 }