'Create a token by id and data.
:param token_id: identity of the token
:type token_id: string
:param data: dictionary with additional reference information
expires=\'\'
id=token_id,
user=user_ref,
tenant=tenant_ref,
:type data: dict
:returns: token_ref or None.'

@abc.abstractmethod
def create_token(self, token_id, data):

    raise exception.NotImplemented()
