def service_endpoint_policies(self):
        """Instance depends on the API version:

           * 2018-07-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_07_01.operations.ServiceEndpointPoliciesOperations>`
           * 2018-08-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_08_01.operations.ServiceEndpointPoliciesOperations>`
           * 2018-10-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_10_01.operations.ServiceEndpointPoliciesOperations>`
           * 2018-11-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_11_01.operations.ServiceEndpointPoliciesOperations>`
           * 2018-12-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_12_01.operations.ServiceEndpointPoliciesOperations>`
           * 2019-02-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2019_02_01.operations.ServiceEndpointPoliciesOperations>`
        """
        api_version = self._get_api_version('service_endpoint_policies')
        if api_version == '2018-07-01':
            from .v2018_07_01.operations import ServiceEndpointPoliciesOperations as OperationClass
        elif api_version == '2018-08-01':
            from .v2018_08_01.operations import ServiceEndpointPoliciesOperations as OperationClass
        elif api_version == '2018-10-01':
            from .v2018_10_01.operations import ServiceEndpointPoliciesOperations as OperationClass
        elif api_version == '2018-11-01':
            from .v2018_11_01.operations import ServiceEndpointPoliciesOperations as OperationClass
        elif api_version == '2018-12-01':
            from .v2018_12_01.operations import ServiceEndpointPoliciesOperations as OperationClass
        elif api_version == '2019-02-01':
            from .v2019_02_01.operations import ServiceEndpointPoliciesOperations as OperationClass
        else:
            raise NotImplementedError("APIVersion {} is not available".format(api_version))
        return OperationClass(self._client, self.config, Serializer(self._models_dict(api_version)), Deserializer(self._models_dict(api_version)))
Instance depends on the API version:

           * 2018-07-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_07_01.operations.ServiceEndpointPoliciesOperations>`
           * 2018-08-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_08_01.operations.ServiceEndpointPoliciesOperations>`
           * 2018-10-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_10_01.operations.ServiceEndpointPoliciesOperations>`
           * 2018-11-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_11_01.operations.ServiceEndpointPoliciesOperations>`
           * 2018-12-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2018_12_01.operations.ServiceEndpointPoliciesOperations>`
           * 2019-02-01: :class:`ServiceEndpointPoliciesOperations<azure.mgmt.network.v2019_02_01.operations.ServiceEndpointPoliciesOperations>`