def __init__(self, access_token, access_token_type, refresh_token=None, expires_in=None, state=None):
self.access_token = access_token<EOL>self.access_token_type = access_token_type<EOL>self.refresh_token = refresh_token<EOL>self.expires_in = expires_in<EOL>self.state = state<EOL>
Initialziation of the object

        Args:
            access_token (str): Access token
            access_token_type (str): Access token type
            refresh_token (str):
            expires_in (int): Seconds after which the token will expire
            state (str):