# 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.
# --------------------------------------------------------------------------
import functools
from typing import Any, Callable, Dict, Generic, Iterable, Optional, TypeVar, Union
import warnings

from azure.core.exceptions import ClientAuthenticationError, HttpResponseError, ResourceExistsError, ResourceNotFoundError, map_error
from azure.core.paging import ItemPaged
from azure.core.pipeline import PipelineResponse
from azure.core.pipeline.transport import HttpResponse
from azure.core.polling import LROPoller, NoPolling, PollingMethod
from azure.core.rest import HttpRequest
from azure.core.tracing.decorator import distributed_trace
from azure.mgmt.core.exceptions import ARMErrorFormat
from azure.mgmt.core.polling.arm_polling import ARMPolling
from msrest import Serializer

from .. import models as _models
from .._vendor import _convert_request, _format_url_section
T = TypeVar('T')
JSONType = Any
ClsType = Optional[Callable[[PipelineResponse[HttpRequest, HttpResponse], T, Dict[str, Any]], Any]]

_SERIALIZER = Serializer()
_SERIALIZER.client_side_validation = False

def build_reimage_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/reimage')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="POST",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_reimage_all_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/reimageall')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="POST",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_deallocate_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/deallocate')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="POST",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_update_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    *,
    json: JSONType = None,
    content: Any = None,
    **kwargs: Any
) -> HttpRequest:
    content_type = kwargs.pop('content_type', None)  # type: Optional[str]

    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    if content_type is not None:
        header_parameters['Content-Type'] = _SERIALIZER.header("content_type", content_type, 'str')
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="PUT",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        json=json,
        content=content,
        **kwargs
    )


def build_delete_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="DELETE",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_get_request(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="GET",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_get_instance_view_request(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/instanceView')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="GET",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_list_request(
    resource_group_name: str,
    virtual_machine_scale_set_name: str,
    subscription_id: str,
    *,
    filter: Optional[str] = None,
    select: Optional[str] = None,
    expand: Optional[str] = None,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{virtualMachineScaleSetName}/virtualMachines')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "virtualMachineScaleSetName": _SERIALIZER.url("virtual_machine_scale_set_name", virtual_machine_scale_set_name, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    if filter is not None:
        query_parameters['$filter'] = _SERIALIZER.query("filter", filter, 'str')
    if select is not None:
        query_parameters['$select'] = _SERIALIZER.query("select", select, 'str')
    if expand is not None:
        query_parameters['$expand'] = _SERIALIZER.query("expand", expand, 'str')
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="GET",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_power_off_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/poweroff')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="POST",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_restart_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/restart')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="POST",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_start_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/start')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="POST",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_redeploy_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/redeploy')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="POST",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )


def build_perform_maintenance_request_initial(
    resource_group_name: str,
    vm_scale_set_name: str,
    instance_id: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    api_version = "2017-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/performMaintenance')
    path_format_arguments = {
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
        "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
        "instanceId": _SERIALIZER.url("instance_id", instance_id, 'str'),
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="POST",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )

class VirtualMachineScaleSetVMsOperations(object):
    """VirtualMachineScaleSetVMsOperations operations.

    You should not instantiate this class directly. Instead, you should create a Client instance that
    instantiates it for you and attaches it as an attribute.

    :ivar models: Alias to model classes used in this operation group.
    :type models: ~azure.mgmt.compute.v2017_12_01.models
    :param client: Client for service requests.
    :param config: Configuration of service client.
    :param serializer: An object model serializer.
    :param deserializer: An object model deserializer.
    """

    models = _models

    def __init__(self, client, config, serializer, deserializer):
        self._client = client
        self._serialize = serializer
        self._deserialize = deserializer
        self._config = config

    def _reimage_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_reimage_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._reimage_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _reimage_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/reimage'}  # type: ignore


    @distributed_trace
    def begin_reimage(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Reimages (upgrade the operating system) a specific virtual machine in a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._reimage_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_reimage.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/reimage'}  # type: ignore

    def _reimage_all_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_reimage_all_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._reimage_all_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _reimage_all_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/reimageall'}  # type: ignore


    @distributed_trace
    def begin_reimage_all(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Allows you to re-image all the disks ( including data disks ) in the a VM scale set instance.
        This operation is only supported for managed disks.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._reimage_all_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_reimage_all.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/reimageall'}  # type: ignore

    def _deallocate_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_deallocate_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._deallocate_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _deallocate_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/deallocate'}  # type: ignore


    @distributed_trace
    def begin_deallocate(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Deallocates a specific virtual machine in a VM scale set. Shuts down the virtual machine and
        releases the compute resources it uses. You are not billed for the compute resources of this
        virtual machine once it is deallocated.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._deallocate_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_deallocate.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/deallocate'}  # type: ignore

    def _update_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        parameters: "_models.VirtualMachineScaleSetVM",
        **kwargs: Any
    ) -> "_models.VirtualMachineScaleSetVM":
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetVM"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        content_type = kwargs.pop('content_type', "application/json")  # type: Optional[str]

        _json = self._serialize.body(parameters, 'VirtualMachineScaleSetVM')

        request = build_update_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            content_type=content_type,
            json=_json,
            template_url=self._update_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        if response.status_code == 200:
            deserialized = self._deserialize('VirtualMachineScaleSetVM', pipeline_response)

        if response.status_code == 202:
            deserialized = self._deserialize('VirtualMachineScaleSetVM', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _update_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}'}  # type: ignore


    @distributed_trace
    def begin_update(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        parameters: "_models.VirtualMachineScaleSetVM",
        **kwargs: Any
    ) -> LROPoller["_models.VirtualMachineScaleSetVM"]:
        """Updates a virtual machine of a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set where the extension should be create or
         updated.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :param parameters: Parameters supplied to the Update Virtual Machine Scale Sets VM operation.
        :type parameters: ~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVM
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either VirtualMachineScaleSetVM or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVM]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        content_type = kwargs.pop('content_type', "application/json")  # type: Optional[str]
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetVM"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._update_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                parameters=parameters,
                content_type=content_type,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('VirtualMachineScaleSetVM', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_update.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}'}  # type: ignore

    def _delete_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_delete_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._delete_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202, 204]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _delete_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}'}  # type: ignore


    @distributed_trace
    def begin_delete(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Deletes a virtual machine from a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._delete_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_delete.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}'}  # type: ignore

    @distributed_trace
    def get(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> "_models.VirtualMachineScaleSetVM":
        """Gets a virtual machine from a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: VirtualMachineScaleSetVM, or the result of cls(response)
        :rtype: ~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVM
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetVM"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_get_request(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self.get.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = self._deserialize('VirtualMachineScaleSetVM', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    get.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}'}  # type: ignore


    @distributed_trace
    def get_instance_view(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> "_models.VirtualMachineScaleSetVMInstanceView":
        """Gets the status of a virtual machine from a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: VirtualMachineScaleSetVMInstanceView, or the result of cls(response)
        :rtype: ~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVMInstanceView
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetVMInstanceView"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_get_instance_view_request(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self.get_instance_view.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = self._deserialize('VirtualMachineScaleSetVMInstanceView', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    get_instance_view.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/instanceView'}  # type: ignore


    @distributed_trace
    def list(
        self,
        resource_group_name: str,
        virtual_machine_scale_set_name: str,
        filter: Optional[str] = None,
        select: Optional[str] = None,
        expand: Optional[str] = None,
        **kwargs: Any
    ) -> Iterable["_models.VirtualMachineScaleSetVMListResult"]:
        """Gets a list of all virtual machines in a VM scale sets.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param virtual_machine_scale_set_name: The name of the VM scale set.
        :type virtual_machine_scale_set_name: str
        :param filter: The filter to apply to the operation. Allowed values are
         'startswith(instanceView/statuses/code, 'PowerState') eq true', 'properties/latestModelApplied
         eq true', 'properties/latestModelApplied eq false'.
        :type filter: str
        :param select: The list parameters. Allowed values are 'instanceView', 'instanceView/statuses'.
        :type select: str
        :param expand: The expand expression to apply to the operation. Allowed values are
         'instanceView'.
        :type expand: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: An iterator like instance of either VirtualMachineScaleSetVMListResult or the result
         of cls(response)
        :rtype:
         ~azure.core.paging.ItemPaged[~azure.mgmt.compute.v2017_12_01.models.VirtualMachineScaleSetVMListResult]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetVMListResult"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        def prepare_request(next_link=None):
            if not next_link:
                
                request = build_list_request(
                    resource_group_name=resource_group_name,
                    virtual_machine_scale_set_name=virtual_machine_scale_set_name,
                    subscription_id=self._config.subscription_id,
                    filter=filter,
                    select=select,
                    expand=expand,
                    template_url=self.list.metadata['url'],
                )
                request = _convert_request(request)
                request.url = self._client.format_url(request.url)

            else:
                
                request = build_list_request(
                    resource_group_name=resource_group_name,
                    virtual_machine_scale_set_name=virtual_machine_scale_set_name,
                    subscription_id=self._config.subscription_id,
                    filter=filter,
                    select=select,
                    expand=expand,
                    template_url=next_link,
                )
                request = _convert_request(request)
                request.url = self._client.format_url(request.url)
                request.method = "GET"
            return request

        def extract_data(pipeline_response):
            deserialized = self._deserialize("VirtualMachineScaleSetVMListResult", pipeline_response)
            list_of_elem = deserialized.value
            if cls:
                list_of_elem = cls(list_of_elem)
            return deserialized.next_link or None, iter(list_of_elem)

        def get_next(next_link=None):
            request = prepare_request(next_link)

            pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
            response = pipeline_response.http_response

            if response.status_code not in [200]:
                map_error(status_code=response.status_code, response=response, error_map=error_map)
                raise HttpResponseError(response=response, error_format=ARMErrorFormat)

            return pipeline_response


        return ItemPaged(
            get_next, extract_data
        )
    list.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{virtualMachineScaleSetName}/virtualMachines'}  # type: ignore

    def _power_off_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_power_off_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._power_off_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _power_off_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/poweroff'}  # type: ignore


    @distributed_trace
    def begin_power_off(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Power off (stop) a virtual machine in a VM scale set. Note that resources are still attached
        and you are getting charged for the resources. Instead, use deallocate to release resources and
        avoid charges.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._power_off_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_power_off.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/poweroff'}  # type: ignore

    def _restart_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_restart_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._restart_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _restart_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/restart'}  # type: ignore


    @distributed_trace
    def begin_restart(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Restarts a virtual machine in a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._restart_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_restart.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/restart'}  # type: ignore

    def _start_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_start_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._start_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _start_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/start'}  # type: ignore


    @distributed_trace
    def begin_start(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Starts a virtual machine in a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._start_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_start.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/start'}  # type: ignore

    def _redeploy_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_redeploy_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._redeploy_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _redeploy_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/redeploy'}  # type: ignore


    @distributed_trace
    def begin_redeploy(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Shuts down the virtual machine in the virtual machine scale set, moves it to a new node, and
        powers it back on.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._redeploy_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_redeploy.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/redeploy'}  # type: ignore

    def _perform_maintenance_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> Optional["_models.OperationStatusResponse"]:
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.OperationStatusResponse"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_perform_maintenance_request_initial(
            resource_group_name=resource_group_name,
            vm_scale_set_name=vm_scale_set_name,
            instance_id=instance_id,
            subscription_id=self._config.subscription_id,
            template_url=self._perform_maintenance_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 202]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    _perform_maintenance_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/performMaintenance'}  # type: ignore


    @distributed_trace
    def begin_perform_maintenance(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        instance_id: str,
        **kwargs: Any
    ) -> LROPoller["_models.OperationStatusResponse"]:
        """Performs maintenance on a virtual machine in a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param vm_scale_set_name: The name of the VM scale set.
        :type vm_scale_set_name: str
        :param instance_id: The instance ID of the virtual machine.
        :type instance_id: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :keyword str continuation_token: A continuation token to restart a poller from a saved state.
        :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
         operation to not poll, or pass in your own initialized polling object for a personal polling
         strategy.
        :paramtype polling: bool or ~azure.core.polling.PollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of LROPoller that returns either OperationStatusResponse or the result of
         cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2017_12_01.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.PollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationStatusResponse"]
        lro_delay = kwargs.pop(
            'polling_interval',
            self._config.polling_interval
        )
        cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
        if cont_token is None:
            raw_result = self._perform_maintenance_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                instance_id=instance_id,
                cls=lambda x,y,z: x,
                **kwargs
            )
        kwargs.pop('error_map', None)

        def get_long_running_output(pipeline_response):
            response = pipeline_response.http_response
            deserialized = self._deserialize('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


        if polling is True: polling_method = ARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        if cont_token:
            return LROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return LROPoller(self._client, raw_result, get_long_running_output, polling_method)

    begin_perform_maintenance.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/virtualmachines/{instanceId}/performMaintenance'}  # type: ignore
