<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def alert_statuses(self, alert_statuses):
 """Sets the alert_statuses of this IntegrationStatus. A Map from the ids of the alerts contained in this integration to their install status. The install status can take on one of three values, `VISIBLE`, `HIDDEN`, and `NOT_LOADED` # noqa: E501 :param alert_statuses: The alert_statuses of this IntegrationStatus. # noqa: E501 :type: dict(str, str) """

        if alert_statuses is None:
            raise ValueError("Invalid value for `alert_statuses`, must not be `None`")  # noqa: E501
        allowed_values = ["VISIBLE", "HIDDEN", "NOT_LOADED"]  # noqa: E501
        if not set(alert_statuses.keys()).issubset(set(allowed_values)):
            raise ValueError(
                "Invalid keys in `alert_statuses` [{0}], must be a subset of [{1}]"  # noqa: E501
                .format(", ".join(map(str, set(alert_statuses.keys()) - set(allowed_values))),  # noqa: E501
                        ", ".join(map(str, allowed_values)))
            )

        self._alert_statuses = alert_statuses