public function add(string $alias, ClaimChecker $checker): self
    {
        $this->checkers[$alias] = $checker;

        return $this;
    }
public function add(string $alias, ClaimChecker $checker): self
    {
        $this->checkers[$alias] = $checker;

        return $this;
    }
public function add ( string $ alias , ClaimChecker $ checker ) : self { $ this -> checkers [ $ alias ] = $ checker ; return $ this ; }
This method adds a claim checker to this factory.

@return ClaimCheckerManagerFactory
This method adds a claim checker to this factory .