def METHOD_NAME(self, http_context, manager_id=None, package_id=None):
    """
    Get informations for one specific package, in one specific manager.
    :param http_context: HttpContext
    :type http_context: HttpContext
    :param manager_id: Name of the manager, e.g. apt
    :type manager_id: string
    :param package_id: Name of the package, e.g. cups
    :type package_id: string
    :return: Package informations
    :rtype: dict
    """
    return self.__package_to_json(self.managers[manager_id].get_package(package_id))