How to use the azure-mgmt-rdbms.azure.mgmt.rdbms.mariadb.models function in azure-mgmt-rdbms

:param name: Resource name to verify.
        :type name: str
        :param type: Resource type used for verification.
        :type type: 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: NameAvailability or ClientRawResponse if raw=true
        :rtype: ~azure.mgmt.rdbms.mariadb.models.NameAvailability or
         ~msrest.pipeline.ClientRawResponse
        :raises: :class:`CloudError`
        """
        name_availability_request = models.NameAvailabilityRequest(name=name, type=type)

        # Construct URL
        url = self.execute.metadata['url']
        path_format_arguments = {
            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, '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
        header_parameters = {}
        header_parameters['Accept'] = 'application/json'
        header_parameters['Content-Type'] = 'application/json; charset=utf-8'

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

        self.config = MariaDBManagementClientConfiguration(credentials, subscription_id, base_url)
        super(MariaDBManagementClient, 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 = '2018-06-01'
        self._serialize = Serializer(client_models)
        self._deserialize = Deserializer(client_models)

        self.servers = ServersOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.replicas = ReplicasOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.firewall_rules = FirewallRulesOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.virtual_network_rules = VirtualNetworkRulesOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.databases = DatabasesOperations(
            self._client, self.config, self._serialize, self._deserialize)
        self.configurations = ConfigurationsOperations(
            self._client, self.config, self._serialize, self._deserialize)