text: # coding=utf-8
  # --------------------------------------------------------------------------
  # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License. See License.txt in the project root for
  # license information.
  #
  # Code generated by Microsoft (R) AutoRest Code Generator.
  # Changes may cause incorrect behavior and will be lost if the code is
  # regenerated.
  # --------------------------------------------------------------------------
  
  from .sub_resource_py3 import SubResource
  
  
  class Subnet(SubResource):
      """Subnet in a virtual network resource.
  
      Variables are only populated by the server, and will be ignored when
      sending a request.
  
      :param id: Resource ID.
      :type id: str
      :param address_prefix: The address prefix for the subnet.
      :type address_prefix: str
      :param network_security_group: The reference of the NetworkSecurityGroup
       resource.
      :type network_security_group:
       ~azure.mgmt.network.v2017_08_01.models.NetworkSecurityGroup
      :param route_table: The reference of the RouteTable resource.
      :type route_table: ~azure.mgmt.network.v2017_08_01.models.RouteTable
      :param service_endpoints: An array of service endpoints.
      :type service_endpoints:
       list[~azure.mgmt.network.v2017_08_01.models.ServiceEndpointPropertiesFormat]
      :ivar ip_configurations: Gets an array of references to the network
       interface IP configurations using subnet.
      :vartype ip_configurations:
       list[~azure.mgmt.network.v2017_08_01.models.IPConfiguration]
      :param resource_navigation_links: Gets an array of references to the
       external resources using subnet.
      :type resource_navigation_links:
       list[~azure.mgmt.network.v2017_08_01.models.ResourceNavigationLink]
      :param provisioning_state: The provisioning state of the resource.
      :type provisioning_state: str
      :param name: The name of the resource that is unique within a resource
       group. This name can be used to access the resource.
      :type name: str
      :param etag: A unique read-only string that changes whenever the resource
       is updated.
      :type etag: str
      """
  
      _validation = {
          'ip_configurations': {'readonly': True},
      }
  
      _attribute_map = {
          'id': {'key': 'id', 'type': 'str'},
          'address_prefix': {'key': 'properties.addressPrefix', 'type': 'str'},
          'network_security_group': {'key': 'properties.networkSecurityGroup', 'type': 'NetworkSecurityGroup'},
          'route_table': {'key': 'properties.routeTable', 'type': 'RouteTable'},
          'service_endpoints': {'key': 'properties.serviceEndpoints', 'type': '[ServiceEndpointPropertiesFormat]'},
          'ip_configurations': {'key': 'properties.ipConfigurations', 'type': '[IPConfiguration]'},
          'resource_navigation_links': {'key': 'properties.resourceNavigationLinks', 'type': '[ResourceNavigationLink]'},
          'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
          'name': {'key': 'name', 'type': 'str'},
          'etag': {'key': 'etag', 'type': 'str'},
      }
  
      def __init__(self, *, id: str=None, address_prefix: str=None, network_security_group=None, route_table=None, service_endpoints=None, resource_navigation_links=None, provisioning_state: str=None, name: str=None, etag: str=None, **kwargs) -> None:
          super(Subnet, self).__init__(id=id, **kwargs)
          self.address_prefix = address_prefix
          self.network_security_group = network_security_group
          self.route_table = route_table
          self.service_endpoints = service_endpoints
          self.ip_configurations = None
          self.resource_navigation_links = resource_navigation_links
          self.provisioning_state = provisioning_state
          self.name = name
          self.etag = etag
  