src/AbstractServer.php
public function setRefreshTokenStorage(RefreshTokenInterface $storage)
    {
        $storage->setServer($this);
        $this->refreshTokenStorage = $storage;

        return $this;
    }
public function setRefreshTokenStorage(RefreshTokenInterface $storage)
    {
        $storage->setServer($this);
        $this->refreshTokenStorage = $storage;

        return $this;
    }
public function setRefreshTokenStorage ( RefreshTokenInterface $ storage ) { $ storage -> setServer ( $ this ) ; $ this -> refreshTokenStorage = $ storage ; return $ this ; }
Set the refresh token storage

@param \League\OAuth2\Server\Storage\RefreshTokenInterface $storage

@return self
Set the refresh token storage