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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def intent(self, user: str = None, token: Optional[str] = None) -> "IntentAPI": """ Get the intent API for a specific user. Args: user: The Matrix ID of the user whose intent API to get. Returns: The IntentAPI for the given user. """

        if self.is_real_user:
            raise ValueError("Can't get child intent of real user")
        if token:
            return IntentAPI(user, self.real_user(user, token), self.bot_intent(), self.state_store,
                             self.intent_log)
        return IntentAPI(user, self.user(user), self.bot_intent(), self.state_store,
                         self.intent_log)