# 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, AsyncIterable, Callable, Dict, Generic, Optional, TypeVar, Union
import warnings

from azure.core.async_paging import AsyncItemPaged, AsyncList
from azure.core.exceptions import ClientAuthenticationError, HttpResponseError, ResourceExistsError, ResourceNotFoundError, map_error
from azure.core.pipeline import PipelineResponse
from azure.core.pipeline.transport import AsyncHttpResponse
from azure.core.polling import AsyncLROPoller, AsyncNoPolling, AsyncPollingMethod
from azure.core.rest import HttpRequest
from azure.core.tracing.decorator import distributed_trace
from azure.core.tracing.decorator_async import distributed_trace_async
from azure.mgmt.core.exceptions import ARMErrorFormat
from azure.mgmt.core.polling.async_arm_polling import AsyncARMPolling

from ... import models as _models
from ..._vendor import _convert_request
from ...operations._virtual_machine_scale_sets_operations import build_create_or_update_request_initial, build_deallocate_request_initial, build_delete_instances_request_initial, build_delete_request_initial, build_get_instance_view_request, build_get_request, build_list_all_request, build_list_request, build_list_skus_request, build_power_off_request_initial, build_reimage_request_initial, build_restart_request_initial, build_start_request_initial, build_update_instances_request_initial
T = TypeVar('T')
ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]

class VirtualMachineScaleSetsOperations:
    """VirtualMachineScaleSetsOperations async 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.v2016_03_30.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) -> None:
        self._client = client
        self._serialize = serializer
        self._deserialize = deserializer
        self._config = config

    async def _create_or_update_initial(
        self,
        resource_group_name: str,
        name: str,
        parameters: "_models.VirtualMachineScaleSet",
        **kwargs: Any
    ) -> "_models.VirtualMachineScaleSet":
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSet"]
        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, 'VirtualMachineScaleSet')

        request = build_create_or_update_request_initial(
            resource_group_name=resource_group_name,
            name=name,
            subscription_id=self._config.subscription_id,
            content_type=content_type,
            json=_json,
            template_url=self._create_or_update_initial.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

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

        if response.status_code not in [200, 201]:
            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('VirtualMachineScaleSet', pipeline_response)

        if response.status_code == 201:
            deserialized = self._deserialize('VirtualMachineScaleSet', pipeline_response)

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

        return deserialized

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


    @distributed_trace_async
    async def begin_create_or_update(
        self,
        resource_group_name: str,
        name: str,
        parameters: "_models.VirtualMachineScaleSet",
        **kwargs: Any
    ) -> AsyncLROPoller["_models.VirtualMachineScaleSet"]:
        """Create or update a VM scale set.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param name: The name of the VM scale set to create or update.
        :type name: str
        :param parameters: The scale set object.
        :type parameters: ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSet
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either VirtualMachineScaleSet or the result
         of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSet]
        :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.AsyncPollingMethod]
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSet"]
        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 = await self._create_or_update_initial(
                resource_group_name=resource_group_name,
                name=name,
                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('VirtualMachineScaleSet', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


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

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

    async def _delete_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: 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,
            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 = await 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}'}  # type: ignore


    @distributed_trace_async
    async def begin_delete(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        **kwargs: Any
    ) -> AsyncLROPoller["_models.OperationStatusResponse"]:
        """Deletes 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
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either OperationStatusResponse or the
         result of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.AsyncPollingMethod]
        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 = await self._delete_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                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 = AsyncARMPolling(lro_delay, **kwargs)
        elif polling is False: polling_method = AsyncNoPolling()
        else: polling_method = polling
        if cont_token:
            return AsyncLROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return AsyncLROPoller(self._client, raw_result, get_long_running_output, polling_method)

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

    @distributed_trace_async
    async def get(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        **kwargs: Any
    ) -> "_models.VirtualMachineScaleSet":
        """Display information about a virtual machine 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
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: VirtualMachineScaleSet, or the result of cls(response)
        :rtype: ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSet
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSet"]
        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,
            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 = await 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('VirtualMachineScaleSet', pipeline_response)

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

        return deserialized

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


    async def _deallocate_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: Optional["_models.VirtualMachineScaleSetVMInstanceIDs"] = None,
        **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', {}))

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

        if vm_instance_i_ds is not None:
            _json = self._serialize.body(vm_instance_i_ds, 'VirtualMachineScaleSetVMInstanceIDs')
        else:
            _json = None

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

        pipeline_response = await 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}/deallocate'}  # type: ignore


    @distributed_trace_async
    async def begin_deallocate(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: Optional["_models.VirtualMachineScaleSetVMInstanceIDs"] = None,
        **kwargs: Any
    ) -> AsyncLROPoller["_models.OperationStatusResponse"]:
        """Deallocates specific virtual machines in a VM scale set. Shuts down the virtual machines and
        releases the compute resources. You are not billed for the compute resources that this virtual
        machine scale set deallocates.

        :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 vm_instance_i_ds: A list of virtual machine instance IDs from the VM scale set.
        :type vm_instance_i_ds:
         ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetVMInstanceIDs
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either OperationStatusResponse or the
         result of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
        :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.AsyncPollingMethod]
        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 = await self._deallocate_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                vm_instance_i_ds=vm_instance_i_ds,
                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('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


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

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

    async def _delete_instances_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: "_models.VirtualMachineScaleSetVMInstanceRequiredIDs",
        **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', {}))

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

        _json = self._serialize.body(vm_instance_i_ds, 'VirtualMachineScaleSetVMInstanceRequiredIDs')

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

        pipeline_response = await 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

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


    @distributed_trace_async
    async def begin_delete_instances(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: "_models.VirtualMachineScaleSetVMInstanceRequiredIDs",
        **kwargs: Any
    ) -> AsyncLROPoller["_models.OperationStatusResponse"]:
        """Deletes virtual machines 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 vm_instance_i_ds: A list of virtual machine instance IDs from the VM scale set.
        :type vm_instance_i_ds:
         ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetVMInstanceRequiredIDs
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either OperationStatusResponse or the
         result of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
        :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.AsyncPollingMethod]
        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 = await self._delete_instances_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                vm_instance_i_ds=vm_instance_i_ds,
                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('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


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

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

    @distributed_trace_async
    async def get_instance_view(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        **kwargs: Any
    ) -> "_models.VirtualMachineScaleSetInstanceView":
        """Gets the status of a VM scale set instance.

        :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
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: VirtualMachineScaleSetInstanceView, or the result of cls(response)
        :rtype: ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetInstanceView
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetInstanceView"]
        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,
            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 = await 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('VirtualMachineScaleSetInstanceView', 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}/instanceView'}  # type: ignore


    @distributed_trace
    def list(
        self,
        resource_group_name: str,
        **kwargs: Any
    ) -> AsyncIterable["_models.VirtualMachineScaleSetListResult"]:
        """Gets a list of all VM scale sets under a resource group.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: An iterator like instance of either VirtualMachineScaleSetListResult or the result of
         cls(response)
        :rtype:
         ~azure.core.async_paging.AsyncItemPaged[~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetListResult]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetListResult"]
        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,
                    subscription_id=self._config.subscription_id,
                    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,
                    subscription_id=self._config.subscription_id,
                    template_url=next_link,
                )
                request = _convert_request(request)
                request.url = self._client.format_url(request.url)
                request.method = "GET"
            return request

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

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

            pipeline_response = await 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 AsyncItemPaged(
            get_next, extract_data
        )
    list.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets'}  # type: ignore

    @distributed_trace
    def list_all(
        self,
        **kwargs: Any
    ) -> AsyncIterable["_models.VirtualMachineScaleSetListWithLinkResult"]:
        """Gets a list of all VM Scale Sets in the subscription, regardless of the associated resource
        group. Use nextLink property in the response to get the next page of VM Scale Sets. Do this
        till nextLink is null to fetch all the VM Scale Sets.

        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: An iterator like instance of either VirtualMachineScaleSetListWithLinkResult or the
         result of cls(response)
        :rtype:
         ~azure.core.async_paging.AsyncItemPaged[~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetListWithLinkResult]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetListWithLinkResult"]
        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_all_request(
                    subscription_id=self._config.subscription_id,
                    template_url=self.list_all.metadata['url'],
                )
                request = _convert_request(request)
                request.url = self._client.format_url(request.url)

            else:
                
                request = build_list_all_request(
                    subscription_id=self._config.subscription_id,
                    template_url=next_link,
                )
                request = _convert_request(request)
                request.url = self._client.format_url(request.url)
                request.method = "GET"
            return request

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

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

            pipeline_response = await 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 AsyncItemPaged(
            get_next, extract_data
        )
    list_all.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.Compute/virtualMachineScaleSets'}  # type: ignore

    @distributed_trace
    def list_skus(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        **kwargs: Any
    ) -> AsyncIterable["_models.VirtualMachineScaleSetListSkusResult"]:
        """Gets a list of SKUs available for your VM scale set, including the minimum and maximum VM
        instances allowed for each SKU.

        :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
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: An iterator like instance of either VirtualMachineScaleSetListSkusResult or the result
         of cls(response)
        :rtype:
         ~azure.core.async_paging.AsyncItemPaged[~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetListSkusResult]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetListSkusResult"]
        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_skus_request(
                    resource_group_name=resource_group_name,
                    vm_scale_set_name=vm_scale_set_name,
                    subscription_id=self._config.subscription_id,
                    template_url=self.list_skus.metadata['url'],
                )
                request = _convert_request(request)
                request.url = self._client.format_url(request.url)

            else:
                
                request = build_list_skus_request(
                    resource_group_name=resource_group_name,
                    vm_scale_set_name=vm_scale_set_name,
                    subscription_id=self._config.subscription_id,
                    template_url=next_link,
                )
                request = _convert_request(request)
                request.url = self._client.format_url(request.url)
                request.method = "GET"
            return request

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

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

            pipeline_response = await 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 AsyncItemPaged(
            get_next, extract_data
        )
    list_skus.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/skus'}  # type: ignore

    async def _power_off_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: Optional["_models.VirtualMachineScaleSetVMInstanceIDs"] = None,
        **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', {}))

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

        if vm_instance_i_ds is not None:
            _json = self._serialize.body(vm_instance_i_ds, 'VirtualMachineScaleSetVMInstanceIDs')
        else:
            _json = None

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

        pipeline_response = await 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}/poweroff'}  # type: ignore


    @distributed_trace_async
    async def begin_power_off(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: Optional["_models.VirtualMachineScaleSetVMInstanceIDs"] = None,
        **kwargs: Any
    ) -> AsyncLROPoller["_models.OperationStatusResponse"]:
        """Power off (stop) one or more virtual machines 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 vm_instance_i_ds: A list of virtual machine instance IDs from the VM scale set.
        :type vm_instance_i_ds:
         ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetVMInstanceIDs
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either OperationStatusResponse or the
         result of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
        :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.AsyncPollingMethod]
        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 = await self._power_off_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                vm_instance_i_ds=vm_instance_i_ds,
                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('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


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

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

    async def _restart_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: Optional["_models.VirtualMachineScaleSetVMInstanceIDs"] = None,
        **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', {}))

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

        if vm_instance_i_ds is not None:
            _json = self._serialize.body(vm_instance_i_ds, 'VirtualMachineScaleSetVMInstanceIDs')
        else:
            _json = None

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

        pipeline_response = await 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}/restart'}  # type: ignore


    @distributed_trace_async
    async def begin_restart(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: Optional["_models.VirtualMachineScaleSetVMInstanceIDs"] = None,
        **kwargs: Any
    ) -> AsyncLROPoller["_models.OperationStatusResponse"]:
        """Restarts one or more virtual machines 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 vm_instance_i_ds: A list of virtual machine instance IDs from the VM scale set.
        :type vm_instance_i_ds:
         ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetVMInstanceIDs
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either OperationStatusResponse or the
         result of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
        :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.AsyncPollingMethod]
        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 = await self._restart_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                vm_instance_i_ds=vm_instance_i_ds,
                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('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


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

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

    async def _start_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: Optional["_models.VirtualMachineScaleSetVMInstanceIDs"] = None,
        **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', {}))

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

        if vm_instance_i_ds is not None:
            _json = self._serialize.body(vm_instance_i_ds, 'VirtualMachineScaleSetVMInstanceIDs')
        else:
            _json = None

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

        pipeline_response = await 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}/start'}  # type: ignore


    @distributed_trace_async
    async def begin_start(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: Optional["_models.VirtualMachineScaleSetVMInstanceIDs"] = None,
        **kwargs: Any
    ) -> AsyncLROPoller["_models.OperationStatusResponse"]:
        """Starts one or more virtual machines 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 vm_instance_i_ds: A list of virtual machine instance IDs from the VM scale set.
        :type vm_instance_i_ds:
         ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetVMInstanceIDs
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either OperationStatusResponse or the
         result of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
        :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.AsyncPollingMethod]
        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 = await self._start_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                vm_instance_i_ds=vm_instance_i_ds,
                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('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


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

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

    async def _update_instances_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: "_models.VirtualMachineScaleSetVMInstanceRequiredIDs",
        **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', {}))

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

        _json = self._serialize.body(vm_instance_i_ds, 'VirtualMachineScaleSetVMInstanceRequiredIDs')

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

        pipeline_response = await 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

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


    @distributed_trace_async
    async def begin_update_instances(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        vm_instance_i_ds: "_models.VirtualMachineScaleSetVMInstanceRequiredIDs",
        **kwargs: Any
    ) -> AsyncLROPoller["_models.OperationStatusResponse"]:
        """Upgrades one or more virtual machines to the latest SKU set in the VM scale set model.

        :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 vm_instance_i_ds: A list of virtual machine instance IDs from the VM scale set.
        :type vm_instance_i_ds:
         ~azure.mgmt.compute.v2016_03_30.models.VirtualMachineScaleSetVMInstanceRequiredIDs
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either OperationStatusResponse or the
         result of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
        :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.AsyncPollingMethod]
        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 = await self._update_instances_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                vm_instance_i_ds=vm_instance_i_ds,
                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('OperationStatusResponse', pipeline_response)
            if cls:
                return cls(pipeline_response, deserialized, {})
            return deserialized


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

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

    async def _reimage_initial(
        self,
        resource_group_name: str,
        vm_scale_set_name: 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,
            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 = await 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}/reimage'}  # type: ignore


    @distributed_trace_async
    async def begin_reimage(
        self,
        resource_group_name: str,
        vm_scale_set_name: str,
        **kwargs: Any
    ) -> AsyncLROPoller["_models.OperationStatusResponse"]:
        """Reimages (upgrade the operating system) one or more virtual machines 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
        :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 AsyncARMPolling. 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.AsyncPollingMethod
        :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
         Retry-After header is present.
        :return: An instance of AsyncLROPoller that returns either OperationStatusResponse or the
         result of cls(response)
        :rtype:
         ~azure.core.polling.AsyncLROPoller[~azure.mgmt.compute.v2016_03_30.models.OperationStatusResponse]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.AsyncPollingMethod]
        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 = await self._reimage_initial(
                resource_group_name=resource_group_name,
                vm_scale_set_name=vm_scale_set_name,
                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 = AsyncARMPolling(lro_delay, lro_options={'final-state-via': 'azure-async-operation'}, **kwargs)
        elif polling is False: polling_method = AsyncNoPolling()
        else: polling_method = polling
        if cont_token:
            return AsyncLROPoller.from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output
            )
        else:
            return AsyncLROPoller(self._client, raw_result, get_long_running_output, polling_method)

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