How to use the azure-mgmt-datalake-analytics.azure.mgmt.datalake.analytics.account.models function in azure-mgmt-datalake-analytics

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

        self.config = DataLakeAnalyticsAccountManagementClientConfiguration(credentials, subscription_id, base_url)
        super(DataLakeAnalyticsAccountManagementClient, 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 = '2016-11-01'
        self._serialize = Serializer(client_models)
        self._deserialize = Deserializer(client_models)

        self.accounts = AccountsOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.data_lake_store_accounts = DataLakeStoreAccountsOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.storage_accounts = StorageAccountsOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.compute_policies = ComputePoliciesOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.firewall_rules = FirewallRulesOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.operations = Operations(
            self._client, self.config, self._serialize, self._deserialize)

Storage account that will be used to connect to it.
        :type access_key: str
        :param suffix: The optional suffix for the storage account.
        :type suffix: str
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides`.
        :return: None or ClientRawResponse if raw=true
        :rtype: None or ~msrest.pipeline.ClientRawResponse
        :raises: :class:`CloudError`
        """
        parameters = None
        if access_key is not None or suffix is not None:
            parameters = models.UpdateStorageAccountParameters(access_key=access_key, suffix=suffix)

        # Construct URL
        url = self.update.metadata['url']
        path_format_arguments = {
            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
            'accountName': self._serialize.url("account_name", account_name, 'str'),
            'storageAccountName': self._serialize.url("storage_account_name", storage_account_name, 'str')
        }
        url = self._client.format_url(url, **path_format_arguments)

        # Construct parameters
        query_parameters = {}
        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')

        # Construct headers