How to use the azure-mgmt-trafficmanager.azure.mgmt.trafficmanager.models.__dict__ function in azure-mgmt-trafficmanager

def __init__(
            self, credentials, subscription_id, base_url=None):

        self.config = TrafficManagerManagementClientConfiguration(credentials, subscription_id, base_url)
        super(TrafficManagerManagementClient, self).__init__(self.config.credentials, self.config)

        client_models = {k: v for k, v in models.__dict__.items() if isinstance(v, type)}
        self.api_version = '2018-04-01'
        self._serialize = Serializer(client_models)
        self._deserialize = Deserializer(client_models)

        self.endpoints = EndpointsOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.profiles = ProfilesOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.geographic_hierarchies = GeographicHierarchiesOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.heat_map = HeatMapOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.traffic_manager_user_metrics_keys = TrafficManagerUserMetricsKeysOperations(
            self._client, self.config, self._serialize, self._deserialize)