# pylint: disable=line-too-long,useless-suppression
# coding=utf-8
# --------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# Code generated by Microsoft (R) AutoRest Code Generator.
# Changes may cause incorrect behavior and will be lost if the code is regenerated.
# --------------------------------------------------------------------------
from collections.abc import MutableMapping
from io import IOBase
from typing import Any, Callable, Dict, IO, Iterable, Iterator, Optional, TypeVar, Union, cast, overload
import urllib.parse

from azure.core import PipelineClient
from azure.core.exceptions import (
    ClientAuthenticationError,
    HttpResponseError,
    ResourceExistsError,
    ResourceNotFoundError,
    ResourceNotModifiedError,
    StreamClosedError,
    StreamConsumedError,
    map_error,
)
from azure.core.paging import ItemPaged
from azure.core.pipeline import PipelineResponse
from azure.core.polling import LROPoller, NoPolling, PollingMethod
from azure.core.rest import HttpRequest, HttpResponse
from azure.core.tracing.decorator import distributed_trace
from azure.core.utils import case_insensitive_dict
from azure.mgmt.core.exceptions import ARMErrorFormat
from azure.mgmt.core.polling.arm_polling import ARMPolling

from .. import models as _models
from .._configuration import ContainerRegistryManagementClientConfiguration
from .._utils.serialization import Deserializer, Serializer

T = TypeVar("T")
ClsType = Optional[Callable[[PipelineResponse[HttpRequest, HttpResponse], T, Dict[str, Any]], Any]]

_SERIALIZER = Serializer()
_SERIALIZER.client_side_validation = False


def build_list_request(
    resource_group_name: str, registry_name: str, subscription_id: str, **kwargs: Any
) -> HttpRequest:
    _headers = case_insensitive_dict(kwargs.pop("headers", {}) or {})
    _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

    api_version: str = kwargs.pop("api_version", _params.pop("api-version", "2022-02-01-preview"))
    accept = _headers.pop("Accept", "application/json")

    # Construct URL
    _url = kwargs.pop(
        "template_url",
        "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerRegistry/registries/{registryName}/privateEndpointConnections",
    )
    path_format_arguments = {
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, "str"),
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, "str", min_length=1),
        "registryName": _SERIALIZER.url(
            "registry_name", registry_name, "str", max_length=50, min_length=5, pattern=r"^[a-zA-Z0-9]*$"
        ),
    }

    _url: str = _url.format(**path_format_arguments)  # type: ignore

    # Construct parameters
    _params["api-version"] = _SERIALIZER.query("api_version", api_version, "str")

    # Construct headers
    _headers["Accept"] = _SERIALIZER.header("accept", accept, "str")

    return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)


def build_get_request(
    resource_group_name: str,
    registry_name: str,
    private_endpoint_connection_name: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    _headers = case_insensitive_dict(kwargs.pop("headers", {}) or {})
    _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

    api_version: str = kwargs.pop("api_version", _params.pop("api-version", "2022-02-01-preview"))
    accept = _headers.pop("Accept", "application/json")

    # Construct URL
    _url = kwargs.pop(
        "template_url",
        "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerRegistry/registries/{registryName}/privateEndpointConnections/{privateEndpointConnectionName}",
    )
    path_format_arguments = {
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, "str"),
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, "str", min_length=1),
        "registryName": _SERIALIZER.url(
            "registry_name", registry_name, "str", max_length=50, min_length=5, pattern=r"^[a-zA-Z0-9]*$"
        ),
        "privateEndpointConnectionName": _SERIALIZER.url(
            "private_endpoint_connection_name", private_endpoint_connection_name, "str"
        ),
    }

    _url: str = _url.format(**path_format_arguments)  # type: ignore

    # Construct parameters
    _params["api-version"] = _SERIALIZER.query("api_version", api_version, "str")

    # Construct headers
    _headers["Accept"] = _SERIALIZER.header("accept", accept, "str")

    return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)


def build_create_or_update_request(
    resource_group_name: str,
    registry_name: str,
    private_endpoint_connection_name: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    _headers = case_insensitive_dict(kwargs.pop("headers", {}) or {})
    _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

    api_version: str = kwargs.pop("api_version", _params.pop("api-version", "2022-02-01-preview"))
    content_type: Optional[str] = kwargs.pop("content_type", _headers.pop("Content-Type", None))
    accept = _headers.pop("Accept", "application/json")

    # Construct URL
    _url = kwargs.pop(
        "template_url",
        "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerRegistry/registries/{registryName}/privateEndpointConnections/{privateEndpointConnectionName}",
    )
    path_format_arguments = {
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, "str"),
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, "str", min_length=1),
        "registryName": _SERIALIZER.url(
            "registry_name", registry_name, "str", max_length=50, min_length=5, pattern=r"^[a-zA-Z0-9]*$"
        ),
        "privateEndpointConnectionName": _SERIALIZER.url(
            "private_endpoint_connection_name", private_endpoint_connection_name, "str"
        ),
    }

    _url: str = _url.format(**path_format_arguments)  # type: ignore

    # Construct parameters
    _params["api-version"] = _SERIALIZER.query("api_version", api_version, "str")

    # Construct headers
    if content_type is not None:
        _headers["Content-Type"] = _SERIALIZER.header("content_type", content_type, "str")
    _headers["Accept"] = _SERIALIZER.header("accept", accept, "str")

    return HttpRequest(method="PUT", url=_url, params=_params, headers=_headers, **kwargs)


def build_delete_request(
    resource_group_name: str,
    registry_name: str,
    private_endpoint_connection_name: str,
    subscription_id: str,
    **kwargs: Any
) -> HttpRequest:
    _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

    api_version: str = kwargs.pop("api_version", _params.pop("api-version", "2022-02-01-preview"))
    # Construct URL
    _url = kwargs.pop(
        "template_url",
        "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerRegistry/registries/{registryName}/privateEndpointConnections/{privateEndpointConnectionName}",
    )
    path_format_arguments = {
        "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, "str"),
        "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, "str", min_length=1),
        "registryName": _SERIALIZER.url(
            "registry_name", registry_name, "str", max_length=50, min_length=5, pattern=r"^[a-zA-Z0-9]*$"
        ),
        "privateEndpointConnectionName": _SERIALIZER.url(
            "private_endpoint_connection_name", private_endpoint_connection_name, "str"
        ),
    }

    _url: str = _url.format(**path_format_arguments)  # type: ignore

    # Construct parameters
    _params["api-version"] = _SERIALIZER.query("api_version", api_version, "str")

    return HttpRequest(method="DELETE", url=_url, params=_params, **kwargs)


class PrivateEndpointConnectionsOperations:
    """
    .. warning::
        **DO NOT** instantiate this class directly.

        Instead, you should access the following operations through
        :class:`~azure.mgmt.containerregistry.v2022_02_01_preview.ContainerRegistryManagementClient`'s
        :attr:`private_endpoint_connections` attribute.
    """

    models = _models

    def __init__(self, *args, **kwargs):
        input_args = list(args)
        self._client: PipelineClient = input_args.pop(0) if input_args else kwargs.pop("client")
        self._config: ContainerRegistryManagementClientConfiguration = (
            input_args.pop(0) if input_args else kwargs.pop("config")
        )
        self._serialize: Serializer = input_args.pop(0) if input_args else kwargs.pop("serializer")
        self._deserialize: Deserializer = input_args.pop(0) if input_args else kwargs.pop("deserializer")
        self._api_version = input_args.pop(0) if input_args else kwargs.pop("api_version")

    @distributed_trace
    def list(
        self, resource_group_name: str, registry_name: str, **kwargs: Any
    ) -> Iterable["_models.PrivateEndpointConnection"]:
        """List all private endpoint connections in a container registry.

        :param resource_group_name: The name of the resource group to which the container registry
         belongs. Required.
        :type resource_group_name: str
        :param registry_name: The name of the container registry. Required.
        :type registry_name: str
        :return: An iterator like instance of either PrivateEndpointConnection or the result of
         cls(response)
        :rtype:
         ~azure.core.paging.ItemPaged[~azure.mgmt.containerregistry.v2022_02_01_preview.models.PrivateEndpointConnection]
        :raises ~azure.core.exceptions.HttpResponseError:
        """
        _headers = kwargs.pop("headers", {}) or {}
        _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

        api_version: str = kwargs.pop(
            "api_version", _params.pop("api-version", self._api_version or "2022-02-01-preview")
        )
        cls: ClsType[_models.PrivateEndpointConnectionListResult] = kwargs.pop("cls", None)

        error_map: MutableMapping = {
            401: ClientAuthenticationError,
            404: ResourceNotFoundError,
            409: ResourceExistsError,
            304: ResourceNotModifiedError,
        }
        error_map.update(kwargs.pop("error_map", {}) or {})

        def prepare_request(next_link=None):
            if not next_link:

                _request = build_list_request(
                    resource_group_name=resource_group_name,
                    registry_name=registry_name,
                    subscription_id=self._config.subscription_id,
                    api_version=api_version,
                    headers=_headers,
                    params=_params,
                )
                _request.url = self._client.format_url(_request.url)

            else:
                # make call to next link with the client's api-version
                _parsed_next_link = urllib.parse.urlparse(next_link)
                _next_request_params = case_insensitive_dict(
                    {
                        key: [urllib.parse.quote(v) for v in value]
                        for key, value in urllib.parse.parse_qs(_parsed_next_link.query).items()
                    }
                )
                _next_request_params["api-version"] = self._api_version
                _request = HttpRequest(
                    "GET", urllib.parse.urljoin(next_link, _parsed_next_link.path), params=_next_request_params
                )
                _request.url = self._client.format_url(_request.url)
                _request.method = "GET"
            return _request

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

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

            _stream = False
            pipeline_response: PipelineResponse = self._client._pipeline.run(  # pylint: disable=protected-access
                _request, stream=_stream, **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)

    @distributed_trace
    def get(
        self, resource_group_name: str, registry_name: str, private_endpoint_connection_name: str, **kwargs: Any
    ) -> _models.PrivateEndpointConnection:
        """Get the specified private endpoint connection associated with the container registry.

        :param resource_group_name: The name of the resource group to which the container registry
         belongs. Required.
        :type resource_group_name: str
        :param registry_name: The name of the container registry. Required.
        :type registry_name: str
        :param private_endpoint_connection_name: The name of the private endpoint connection. Required.
        :type private_endpoint_connection_name: str
        :return: PrivateEndpointConnection or the result of cls(response)
        :rtype: ~azure.mgmt.containerregistry.v2022_02_01_preview.models.PrivateEndpointConnection
        :raises ~azure.core.exceptions.HttpResponseError:
        """
        error_map: MutableMapping = {
            401: ClientAuthenticationError,
            404: ResourceNotFoundError,
            409: ResourceExistsError,
            304: ResourceNotModifiedError,
        }
        error_map.update(kwargs.pop("error_map", {}) or {})

        _headers = kwargs.pop("headers", {}) or {}
        _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

        api_version: str = kwargs.pop(
            "api_version", _params.pop("api-version", self._api_version or "2022-02-01-preview")
        )
        cls: ClsType[_models.PrivateEndpointConnection] = kwargs.pop("cls", None)

        _request = build_get_request(
            resource_group_name=resource_group_name,
            registry_name=registry_name,
            private_endpoint_connection_name=private_endpoint_connection_name,
            subscription_id=self._config.subscription_id,
            api_version=api_version,
            headers=_headers,
            params=_params,
        )
        _request.url = self._client.format_url(_request.url)

        _stream = False
        pipeline_response: PipelineResponse = self._client._pipeline.run(  # pylint: disable=protected-access
            _request, stream=_stream, **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("PrivateEndpointConnection", pipeline_response.http_response)

        if cls:
            return cls(pipeline_response, deserialized, {})  # type: ignore

        return deserialized  # type: ignore

    def _create_or_update_initial(
        self,
        resource_group_name: str,
        registry_name: str,
        private_endpoint_connection_name: str,
        private_endpoint_connection: Union[_models.PrivateEndpointConnection, IO[bytes]],
        **kwargs: Any
    ) -> Iterator[bytes]:
        error_map: MutableMapping = {
            401: ClientAuthenticationError,
            404: ResourceNotFoundError,
            409: ResourceExistsError,
            304: ResourceNotModifiedError,
        }
        error_map.update(kwargs.pop("error_map", {}) or {})

        _headers = case_insensitive_dict(kwargs.pop("headers", {}) or {})
        _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

        api_version: str = kwargs.pop(
            "api_version", _params.pop("api-version", self._api_version or "2022-02-01-preview")
        )
        content_type: Optional[str] = kwargs.pop("content_type", _headers.pop("Content-Type", None))
        cls: ClsType[Iterator[bytes]] = kwargs.pop("cls", None)

        content_type = content_type or "application/json"
        _json = None
        _content = None
        if isinstance(private_endpoint_connection, (IOBase, bytes)):
            _content = private_endpoint_connection
        else:
            _json = self._serialize.body(private_endpoint_connection, "PrivateEndpointConnection")

        _request = build_create_or_update_request(
            resource_group_name=resource_group_name,
            registry_name=registry_name,
            private_endpoint_connection_name=private_endpoint_connection_name,
            subscription_id=self._config.subscription_id,
            api_version=api_version,
            content_type=content_type,
            json=_json,
            content=_content,
            headers=_headers,
            params=_params,
        )
        _request.url = self._client.format_url(_request.url)

        _decompress = kwargs.pop("decompress", True)
        _stream = True
        pipeline_response: PipelineResponse = self._client._pipeline.run(  # pylint: disable=protected-access
            _request, stream=_stream, **kwargs
        )

        response = pipeline_response.http_response

        if response.status_code not in [200, 201]:
            try:
                response.read()  # Load the body in memory and close the socket
            except (StreamConsumedError, StreamClosedError):
                pass
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = response.stream_download(self._client._pipeline, decompress=_decompress)

        if cls:
            return cls(pipeline_response, deserialized, {})  # type: ignore

        return deserialized  # type: ignore

    @overload
    def begin_create_or_update(
        self,
        resource_group_name: str,
        registry_name: str,
        private_endpoint_connection_name: str,
        private_endpoint_connection: _models.PrivateEndpointConnection,
        *,
        content_type: str = "application/json",
        **kwargs: Any
    ) -> LROPoller[_models.PrivateEndpointConnection]:
        """Update the state of specified private endpoint connection associated with the container
        registry.

        :param resource_group_name: The name of the resource group to which the container registry
         belongs. Required.
        :type resource_group_name: str
        :param registry_name: The name of the container registry. Required.
        :type registry_name: str
        :param private_endpoint_connection_name: The name of the private endpoint connection. Required.
        :type private_endpoint_connection_name: str
        :param private_endpoint_connection: The parameters for creating a private endpoint connection.
         Required.
        :type private_endpoint_connection:
         ~azure.mgmt.containerregistry.v2022_02_01_preview.models.PrivateEndpointConnection
        :keyword content_type: Body Parameter content-type. Content type parameter for JSON body.
         Default value is "application/json".
        :paramtype content_type: str
        :return: An instance of LROPoller that returns either PrivateEndpointConnection or the result
         of cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.containerregistry.v2022_02_01_preview.models.PrivateEndpointConnection]
        :raises ~azure.core.exceptions.HttpResponseError:
        """

    @overload
    def begin_create_or_update(
        self,
        resource_group_name: str,
        registry_name: str,
        private_endpoint_connection_name: str,
        private_endpoint_connection: IO[bytes],
        *,
        content_type: str = "application/json",
        **kwargs: Any
    ) -> LROPoller[_models.PrivateEndpointConnection]:
        """Update the state of specified private endpoint connection associated with the container
        registry.

        :param resource_group_name: The name of the resource group to which the container registry
         belongs. Required.
        :type resource_group_name: str
        :param registry_name: The name of the container registry. Required.
        :type registry_name: str
        :param private_endpoint_connection_name: The name of the private endpoint connection. Required.
        :type private_endpoint_connection_name: str
        :param private_endpoint_connection: The parameters for creating a private endpoint connection.
         Required.
        :type private_endpoint_connection: IO[bytes]
        :keyword content_type: Body Parameter content-type. Content type parameter for binary body.
         Default value is "application/json".
        :paramtype content_type: str
        :return: An instance of LROPoller that returns either PrivateEndpointConnection or the result
         of cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.containerregistry.v2022_02_01_preview.models.PrivateEndpointConnection]
        :raises ~azure.core.exceptions.HttpResponseError:
        """

    @distributed_trace
    def begin_create_or_update(
        self,
        resource_group_name: str,
        registry_name: str,
        private_endpoint_connection_name: str,
        private_endpoint_connection: Union[_models.PrivateEndpointConnection, IO[bytes]],
        **kwargs: Any
    ) -> LROPoller[_models.PrivateEndpointConnection]:
        """Update the state of specified private endpoint connection associated with the container
        registry.

        :param resource_group_name: The name of the resource group to which the container registry
         belongs. Required.
        :type resource_group_name: str
        :param registry_name: The name of the container registry. Required.
        :type registry_name: str
        :param private_endpoint_connection_name: The name of the private endpoint connection. Required.
        :type private_endpoint_connection_name: str
        :param private_endpoint_connection: The parameters for creating a private endpoint connection.
         Is either a PrivateEndpointConnection type or a IO[bytes] type. Required.
        :type private_endpoint_connection:
         ~azure.mgmt.containerregistry.v2022_02_01_preview.models.PrivateEndpointConnection or IO[bytes]
        :return: An instance of LROPoller that returns either PrivateEndpointConnection or the result
         of cls(response)
        :rtype:
         ~azure.core.polling.LROPoller[~azure.mgmt.containerregistry.v2022_02_01_preview.models.PrivateEndpointConnection]
        :raises ~azure.core.exceptions.HttpResponseError:
        """
        _headers = case_insensitive_dict(kwargs.pop("headers", {}) or {})
        _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

        api_version: str = kwargs.pop(
            "api_version", _params.pop("api-version", self._api_version or "2022-02-01-preview")
        )
        content_type: Optional[str] = kwargs.pop("content_type", _headers.pop("Content-Type", None))
        cls: ClsType[_models.PrivateEndpointConnection] = kwargs.pop("cls", None)
        polling: Union[bool, PollingMethod] = kwargs.pop("polling", True)
        lro_delay = kwargs.pop("polling_interval", self._config.polling_interval)
        cont_token: Optional[str] = kwargs.pop("continuation_token", None)
        if cont_token is None:
            raw_result = self._create_or_update_initial(
                resource_group_name=resource_group_name,
                registry_name=registry_name,
                private_endpoint_connection_name=private_endpoint_connection_name,
                private_endpoint_connection=private_endpoint_connection,
                api_version=api_version,
                content_type=content_type,
                cls=lambda x, y, z: x,
                headers=_headers,
                params=_params,
                **kwargs
            )
            raw_result.http_response.read()  # type: ignore
        kwargs.pop("error_map", None)

        def get_long_running_output(pipeline_response):
            deserialized = self._deserialize("PrivateEndpointConnection", pipeline_response.http_response)
            if cls:
                return cls(pipeline_response, deserialized, {})  # type: ignore
            return deserialized

        if polling is True:
            polling_method: PollingMethod = cast(PollingMethod, ARMPolling(lro_delay, **kwargs))
        elif polling is False:
            polling_method = cast(PollingMethod, NoPolling())
        else:
            polling_method = polling
        if cont_token:
            return LROPoller[_models.PrivateEndpointConnection].from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output,
            )
        return LROPoller[_models.PrivateEndpointConnection](
            self._client, raw_result, get_long_running_output, polling_method  # type: ignore
        )

    def _delete_initial(
        self, resource_group_name: str, registry_name: str, private_endpoint_connection_name: str, **kwargs: Any
    ) -> Iterator[bytes]:
        error_map: MutableMapping = {
            401: ClientAuthenticationError,
            404: ResourceNotFoundError,
            409: ResourceExistsError,
            304: ResourceNotModifiedError,
        }
        error_map.update(kwargs.pop("error_map", {}) or {})

        _headers = kwargs.pop("headers", {}) or {}
        _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

        api_version: str = kwargs.pop(
            "api_version", _params.pop("api-version", self._api_version or "2022-02-01-preview")
        )
        cls: ClsType[Iterator[bytes]] = kwargs.pop("cls", None)

        _request = build_delete_request(
            resource_group_name=resource_group_name,
            registry_name=registry_name,
            private_endpoint_connection_name=private_endpoint_connection_name,
            subscription_id=self._config.subscription_id,
            api_version=api_version,
            headers=_headers,
            params=_params,
        )
        _request.url = self._client.format_url(_request.url)

        _decompress = kwargs.pop("decompress", True)
        _stream = True
        pipeline_response: PipelineResponse = self._client._pipeline.run(  # pylint: disable=protected-access
            _request, stream=_stream, **kwargs
        )

        response = pipeline_response.http_response

        if response.status_code not in [200, 202, 204]:
            try:
                response.read()  # Load the body in memory and close the socket
            except (StreamConsumedError, StreamClosedError):
                pass
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = response.stream_download(self._client._pipeline, decompress=_decompress)

        if cls:
            return cls(pipeline_response, deserialized, {})  # type: ignore

        return deserialized  # type: ignore

    @distributed_trace
    def begin_delete(
        self, resource_group_name: str, registry_name: str, private_endpoint_connection_name: str, **kwargs: Any
    ) -> LROPoller[None]:
        """Deletes the specified private endpoint connection associated with the container registry.

        :param resource_group_name: The name of the resource group to which the container registry
         belongs. Required.
        :type resource_group_name: str
        :param registry_name: The name of the container registry. Required.
        :type registry_name: str
        :param private_endpoint_connection_name: The name of the private endpoint connection. Required.
        :type private_endpoint_connection_name: str
        :return: An instance of LROPoller that returns either None or the result of cls(response)
        :rtype: ~azure.core.polling.LROPoller[None]
        :raises ~azure.core.exceptions.HttpResponseError:
        """
        _headers = kwargs.pop("headers", {}) or {}
        _params = case_insensitive_dict(kwargs.pop("params", {}) or {})

        api_version: str = kwargs.pop(
            "api_version", _params.pop("api-version", self._api_version or "2022-02-01-preview")
        )
        cls: ClsType[None] = kwargs.pop("cls", None)
        polling: Union[bool, PollingMethod] = kwargs.pop("polling", True)
        lro_delay = kwargs.pop("polling_interval", self._config.polling_interval)
        cont_token: Optional[str] = kwargs.pop("continuation_token", None)
        if cont_token is None:
            raw_result = self._delete_initial(
                resource_group_name=resource_group_name,
                registry_name=registry_name,
                private_endpoint_connection_name=private_endpoint_connection_name,
                api_version=api_version,
                cls=lambda x, y, z: x,
                headers=_headers,
                params=_params,
                **kwargs
            )
            raw_result.http_response.read()  # type: ignore
        kwargs.pop("error_map", None)

        def get_long_running_output(pipeline_response):  # pylint: disable=inconsistent-return-statements
            if cls:
                return cls(pipeline_response, None, {})  # type: ignore

        if polling is True:
            polling_method: PollingMethod = cast(PollingMethod, ARMPolling(lro_delay, **kwargs))
        elif polling is False:
            polling_method = cast(PollingMethod, NoPolling())
        else:
            polling_method = polling
        if cont_token:
            return LROPoller[None].from_continuation_token(
                polling_method=polling_method,
                continuation_token=cont_token,
                client=self._client,
                deserialization_callback=get_long_running_output,
            )
        return LROPoller[None](self._client, raw_result, get_long_running_output, polling_method)  # type: ignore
