public function refresh($forceForever = false, $resetClaims = false)
    {
        return $this->requireToken()->refresh($forceForever, $resetClaims);
    }
public function refresh($forceForever = false, $resetClaims = false)
    {
        return $this->requireToken()->refresh($forceForever, $resetClaims);
    }
public function refresh ( $ forceForever = false , $ resetClaims = false ) { return $ this -> requireToken ( ) -> refresh ( $ forceForever , $ resetClaims ) ; }
Refresh the token.

@param  bool  $forceForever
@param  bool  $resetClaims

@return string
Refresh the token .