code: public function createChecker(array $selected_claim_checkers, array $selected_header_checkers)
      {
          $claim_checkers = $this->checker_manager->getSelectedClaimChecker($selected_claim_checkers);
          $header_checkers = $this->checker_manager->getSelectedHeaderChecker($selected_header_checkers);
  
          return CheckerManagerFactory::createClaimCheckerManager($claim_checkers, $header_checkers);
      }
docs: @param string[] $selected_claim_checkers
  @param string[] $selected_header_checkers
  
  @return \Jose\Checker\CheckerManagerInterface