src/Client.php
public function setAccessToken($data) {
        (true === is_object($data)) ? $token = $data->access_token : $token = $data;
        $this->_accesstoken = $token;
    }
public function setAccessToken($data) {
        (true === is_object($data)) ? $token = $data->access_token : $token = $data;
        $this->_accesstoken = $token;
    }
Access Token Setter

@param object|string $data
@return void