text:
from collections import OrderedDict
import functools
import os
import re
from typing import (
    Dict,
    Mapping,
    MutableMapping,
    MutableSequence,
    Optional,
    Sequence,
    Tuple,
    Type,
    Union,
    cast,
)

from google.api_core import client_options as client_options_lib
from google.api_core import exceptions as core_exceptions
from google.api_core import extended_operation, gapic_v1
from google.api_core import retry as retries
from google.auth import credentials as ga_credentials  # type: ignore
from google.auth.exceptions import MutualTLSChannelError  # type: ignore
from google.auth.transport import mtls  # type: ignore
from google.auth.transport.grpc import SslCredentials  # type: ignore
from google.oauth2 import service_account  # type: ignore
import pkg_resources

try:
    OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault]
except AttributeError:  # pragma: NO COVER
    OptionalRetry = Union[retries.Retry, object]  # type: ignore

from google.api_core import extended_operation  # type: ignore

from google.cloud.compute_v1.services.target_pools import pagers
from google.cloud.compute_v1.types import compute

from .transports.base import DEFAULT_CLIENT_INFO, TargetPoolsTransport
from .transports.rest import TargetPoolsRestTransport

class TargetPoolsClientMeta(type):
    """Metaclass for the TargetPools client.

    This provides class-level methods for building and retrieving
    support objects (e.g. transport) without polluting the client instance
    objects.
    """

    _transport_registry = OrderedDict()  # type: Dict[str, Type[TargetPoolsTransport]]
    _transport_registry["rest"] = TargetPoolsRestTransport

    def get_transport_class(
        cls,
        label: Optional[str] = None,
    ) -> Type[TargetPoolsTransport]:
        """Returns an appropriate transport class.

        Args:
            label: The name of the desired transport. If none is
                provided, then the first transport in the registry is used.

        Returns:
            The transport class to use.
        """
        # If a specific transport is requested, return that one.
        if label:
            return cls._transport_registry[label]

        # No transport is requested; return the default (that is, the first one
        # in the dictionary).
        return next(iter(cls._transport_registry.values()))

class TargetPoolsClient(metaclass=TargetPoolsClientMeta):
    """The TargetPools API."""

    @staticmethod
    def _get_default_mtls_endpoint(api_endpoint):
        """Converts api endpoint to mTLS endpoint.

        Convert "*.sandbox.googleapis.com" and "*.googleapis.com" to
        "*.mtls.sandbox.googleapis.com" and "*.mtls.googleapis.com" respectively.
        Args:
            api_endpoint (Optional[str]): the api endpoint to convert.
        Returns:
            str: converted mTLS api endpoint.
        """
        if not api_endpoint:
            return api_endpoint

        mtls_endpoint_re = re.compile(
            r"(?P<name>[^.]+)(?P<mtls>\.mtls)?(?P<sandbox>\.sandbox)?(?P<googledomain>\.googleapis\.com)?"
        )

        m = mtls_endpoint_re.match(api_endpoint)
        name, mtls, sandbox, googledomain = m.groups()
        if mtls or not googledomain:
            return api_endpoint

        if sandbox:
            return api_endpoint.replace(
                "sandbox.googleapis.com", "mtls.sandbox.googleapis.com"
            )

        return api_endpoint.replace(".googleapis.com", ".mtls.googleapis.com")

    DEFAULT_ENDPOINT = "compute.googleapis.com"
    DEFAULT_MTLS_ENDPOINT = _get_default_mtls_endpoint.__func__(  # type: ignore
        DEFAULT_ENDPOINT
    )

    @classmethod
    def from_service_account_info(cls, info: dict, *args, **kwargs):
        """Creates an instance of this client using the provided credentials
            info.

        Args:
            info (dict): The service account private key info.
            args: Additional arguments to pass to the constructor.
            kwargs: Additional arguments to pass to the constructor.

        Returns:
            TargetPoolsClient: The constructed client.
        """
        credentials = service_account.Credentials.from_service_account_info(info)
        kwargs["credentials"] = credentials
        return cls(*args, **kwargs)

    @classmethod
    def from_service_account_file(cls, filename: str, *args, **kwargs):
        """Creates an instance of this client using the provided credentials
            file.

        Args:
            filename (str): The path to the service account private key json
                file.
            args: Additional arguments to pass to the constructor.
            kwargs: Additional arguments to pass to the constructor.

        Returns:
            TargetPoolsClient: The constructed client.
        """
        credentials = service_account.Credentials.from_service_account_file(filename)
        kwargs["credentials"] = credentials
        return cls(*args, **kwargs)

    from_service_account_json = from_service_account_file

    @property
    def transport(self) -> TargetPoolsTransport:
        """Returns the transport used by the client instance.

        Returns:
            TargetPoolsTransport: The transport used by the client
                instance.
        """
        return self._transport

    @staticmethod
    def common_billing_account_path(
        billing_account: str,
    ) -> str:
        """Returns a fully-qualified billing_account string."""
        return "billingAccounts/{billing_account}".format(
            billing_account=billing_account,
        )

    @staticmethod
    def parse_common_billing_account_path(path: str) -> Dict[str, str]:
        """Parse a billing_account path into its component segments."""
        m = re.match(r"^billingAccounts/(?P<billing_account>.+?)$", path)
        return m.groupdict() if m else {}

    @staticmethod
    def common_folder_path(
        folder: str,
    ) -> str:
        """Returns a fully-qualified folder string."""
        return "folders/{folder}".format(
            folder=folder,
        )

    @staticmethod
    def parse_common_folder_path(path: str) -> Dict[str, str]:
        """Parse a folder path into its component segments."""
        m = re.match(r"^folders/(?P<folder>.+?)$", path)
        return m.groupdict() if m else {}

    @staticmethod
    def common_organization_path(
        organization: str,
    ) -> str:
        """Returns a fully-qualified organization string."""
        return "organizations/{organization}".format(
            organization=organization,
        )

    @staticmethod
    def parse_common_organization_path(path: str) -> Dict[str, str]:
        """Parse a organization path into its component segments."""
        m = re.match(r"^organizations/(?P<organization>.+?)$", path)
        return m.groupdict() if m else {}

    @staticmethod
    def common_project_path(
        project: str,
    ) -> str:
        """Returns a fully-qualified project string."""
        return "projects/{project}".format(
            project=project,
        )

    @staticmethod
    def parse_common_project_path(path: str) -> Dict[str, str]:
        """Parse a project path into its component segments."""
        m = re.match(r"^projects/(?P<project>.+?)$", path)
        return m.groupdict() if m else {}

    @staticmethod
    def common_location_path(
        project: str,
        location: str,
    ) -> str:
        """Returns a fully-qualified location string."""
        return "projects/{project}/locations/{location}".format(
            project=project,
            location=location,
        )

    @staticmethod
    def parse_common_location_path(path: str) -> Dict[str, str]:
        """Parse a location path into its component segments."""
        m = re.match(r"^projects/(?P<project>.+?)/locations/(?P<location>.+?)$", path)
        return m.groupdict() if m else {}

    @classmethod
    def get_mtls_endpoint_and_cert_source(
        cls, client_options: Optional[client_options_lib.ClientOptions] = None
    ):
        """Return the API endpoint and client cert source for mutual TLS.

        The client cert source is determined in the following order:
        (1) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is not "true", the
        client cert source is None.
        (2) if `client_options.client_cert_source` is provided, use the provided one; if the
        default client cert source exists, use the default one; otherwise the client cert
        source is None.

        The API endpoint is determined in the following order:
        (1) if `client_options.api_endpoint` if provided, use the provided one.
        (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
        default mTLS endpoint; if the environment variabel is "never", use the default API
        endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
        use the default API endpoint.

        More details can be found at https://google.aip.dev/auth/4114.

        Args:
            client_options (google.api_core.client_options.ClientOptions): Custom options for the
                client. Only the `api_endpoint` and `client_cert_source` properties may be used
                in this method.

        Returns:
            Tuple[str, Callable[[], Tuple[bytes, bytes]]]: returns the API endpoint and the
                client cert source to use.

        Raises:
            google.auth.exceptions.MutualTLSChannelError: If any errors happen.
        """
        if client_options is None:
            client_options = client_options_lib.ClientOptions()
        use_client_cert = os.getenv("GOOGLE_API_USE_CLIENT_CERTIFICATE", "false")
        use_mtls_endpoint = os.getenv("GOOGLE_API_USE_MTLS_ENDPOINT", "auto")
        if use_client_cert not in ("true", "false"):
            raise ValueError(
                "Environment variable `GOOGLE_API_USE_CLIENT_CERTIFICATE` must be either `true` or `false`"
            )
        if use_mtls_endpoint not in ("auto", "never", "always"):
            raise MutualTLSChannelError(
                "Environment variable `GOOGLE_API_USE_MTLS_ENDPOINT` must be `never`, `auto` or `always`"
            )

        # Figure out the client cert source to use.
        client_cert_source = None
        if use_client_cert == "true":
            if client_options.client_cert_source:
                client_cert_source = client_options.client_cert_source
            elif mtls.has_default_client_cert_source():
                client_cert_source = mtls.default_client_cert_source()

        # Figure out which api endpoint to use.
        if client_options.api_endpoint is not None:
            api_endpoint = client_options.api_endpoint
        elif use_mtls_endpoint == "always" or (
            use_mtls_endpoint == "auto" and client_cert_source
        ):
            api_endpoint = cls.DEFAULT_MTLS_ENDPOINT
        else:
            api_endpoint = cls.DEFAULT_ENDPOINT

        return api_endpoint, client_cert_source

    def __init__(
        self,
        *,
        credentials: Optional[ga_credentials.Credentials] = None,
        transport: Optional[Union[str, TargetPoolsTransport]] = None,
        client_options: Optional[Union[client_options_lib.ClientOptions, dict]] = None,
        client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
    ) -> None:
        """Instantiates the target pools client.

        Args:
            credentials (Optional[google.auth.credentials.Credentials]): The
                authorization credentials to attach to requests. These
                credentials identify the application to the service; if none
                are specified, the client will attempt to ascertain the
                credentials from the environment.
            transport (Union[str, TargetPoolsTransport]): The
                transport to use. If set to None, a transport is chosen
                automatically.
                NOTE: "rest" transport functionality is currently in a
                beta state (preview). We welcome your feedback via an
                issue in this library's source repository.
            client_options (Optional[Union[google.api_core.client_options.ClientOptions, dict]]): Custom options for the
                client. It won't take effect if a ``transport`` instance is provided.
                (1) The ``api_endpoint`` property can be used to override the
                default endpoint provided by the client. GOOGLE_API_USE_MTLS_ENDPOINT
                environment variable can also be used to override the endpoint:
                "always" (always use the default mTLS endpoint), "never" (always
                use the default regular endpoint) and "auto" (auto switch to the
                default mTLS endpoint if client certificate is present, this is
                the default value). However, the ``api_endpoint`` property takes
                precedence if provided.
                (2) If GOOGLE_API_USE_CLIENT_CERTIFICATE environment variable
                is "true", then the ``client_cert_source`` property can be used
                to provide client certificate for mutual TLS transport. If
                not provided, the default SSL client certificate will be used if
                present. If GOOGLE_API_USE_CLIENT_CERTIFICATE is "false" or not
                set, no client certificate will be used.
            client_info (google.api_core.gapic_v1.client_info.ClientInfo):
                The client info used to send a user-agent string along with
                API requests. If ``None``, then default info will be used.
                Generally, you only need to set this if you're developing
                your own client library.

        Raises:
            google.auth.exceptions.MutualTLSChannelError: If mutual TLS transport
                creation failed for any reason.
        """
        if isinstance(client_options, dict):
            client_options = client_options_lib.from_dict(client_options)
        if client_options is None:
            client_options = client_options_lib.ClientOptions()
        client_options = cast(client_options_lib.ClientOptions, client_options)

        api_endpoint, client_cert_source_func = self.get_mtls_endpoint_and_cert_source(
            client_options
        )

        api_key_value = getattr(client_options, "api_key", None)
        if api_key_value and credentials:
            raise ValueError(
                "client_options.api_key and credentials are mutually exclusive"
            )

        # Save or instantiate the transport.
        # Ordinarily, we provide the transport, but allowing a custom transport
        # instance provides an extensibility point for unusual situations.
        if isinstance(transport, TargetPoolsTransport):
            # transport is a TargetPoolsTransport instance.
            if credentials or client_options.credentials_file or api_key_value:
                raise ValueError(
                    "When providing a transport instance, "
                    "provide its credentials directly."
                )
            if client_options.scopes:
                raise ValueError(
                    "When providing a transport instance, provide its scopes "
                    "directly."
                )
            self._transport = transport
        else:
            import google.auth._default  # type: ignore

            if api_key_value and hasattr(
                google.auth._default, "get_api_key_credentials"
            ):
                credentials = google.auth._default.get_api_key_credentials(
                    api_key_value
                )

            Transport = type(self).get_transport_class(transport)
            self._transport = Transport(
                credentials=credentials,
                credentials_file=client_options.credentials_file,
                host=api_endpoint,
                scopes=client_options.scopes,
                client_cert_source_for_mtls=client_cert_source_func,
                quota_project_id=client_options.quota_project_id,
                client_info=client_info,
                always_use_jwt_access=True,
                api_audience=client_options.api_audience,
            )

    def add_health_check_unary(
        self,
        request: Optional[Union[compute.AddHealthCheckTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_pools_add_health_check_request_resource: Optional[
            compute.TargetPoolsAddHealthCheckRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.Operation:
        r"""Adds health check URLs to a target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.AddHealthCheckTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.AddHealthCheck. See the method description
                for details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the target pool to add a
                health check to.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pools_add_health_check_request_resource (google.cloud.compute_v1.types.TargetPoolsAddHealthCheckRequest):
                The body resource for this request
                This corresponds to the ``target_pools_add_health_check_request_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [
                project,
                region,
                target_pool,
                target_pools_add_health_check_request_resource,
            ]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.AddHealthCheckTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.AddHealthCheckTargetPoolRequest):
            request = compute.AddHealthCheckTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_pools_add_health_check_request_resource is not None:
                request.target_pools_add_health_check_request_resource = (
                    target_pools_add_health_check_request_resource
                )

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.add_health_check]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def add_health_check(
        self,
        request: Optional[Union[compute.AddHealthCheckTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_pools_add_health_check_request_resource: Optional[
            compute.TargetPoolsAddHealthCheckRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> extended_operation.ExtendedOperation:
        r"""Adds health check URLs to a target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.AddHealthCheckTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.AddHealthCheck. See the method description
                for details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the target pool to add a
                health check to.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pools_add_health_check_request_resource (google.cloud.compute_v1.types.TargetPoolsAddHealthCheckRequest):
                The body resource for this request
                This corresponds to the ``target_pools_add_health_check_request_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [
                project,
                region,
                target_pool,
                target_pools_add_health_check_request_resource,
            ]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.AddHealthCheckTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.AddHealthCheckTargetPoolRequest):
            request = compute.AddHealthCheckTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_pools_add_health_check_request_resource is not None:
                request.target_pools_add_health_check_request_resource = (
                    target_pools_add_health_check_request_resource
                )

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.add_health_check]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        operation_service = self._transport._region_operations_client
        operation_request = compute.GetRegionOperationRequest()
        operation_request.project = request.project
        operation_request.region = request.region
        operation_request.operation = response.name

        get_operation = functools.partial(operation_service.get, operation_request)
        # Cancel is not part of extended operations yet.
        cancel_operation = lambda: None

        # Note: this class is an implementation detail to provide a uniform
        # set of names for certain fields in the extended operation proto message.
        # See google.api_core.extended_operation.ExtendedOperation for details
        # on these properties and the  expected interface.
        class _CustomOperation(extended_operation.ExtendedOperation):
            @property
            def error_message(self):
                return self._extended_operation.http_error_message

            @property
            def error_code(self):
                return self._extended_operation.http_error_status_code

        response = _CustomOperation.make(get_operation, cancel_operation, response)

        # Done; return the response.
        return response

    def add_instance_unary(
        self,
        request: Optional[Union[compute.AddInstanceTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_pools_add_instance_request_resource: Optional[
            compute.TargetPoolsAddInstanceRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.Operation:
        r"""Adds an instance to a target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.AddInstanceTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.AddInstance. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                add instances to.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pools_add_instance_request_resource (google.cloud.compute_v1.types.TargetPoolsAddInstanceRequest):
                The body resource for this request
                This corresponds to the ``target_pools_add_instance_request_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [project, region, target_pool, target_pools_add_instance_request_resource]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.AddInstanceTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.AddInstanceTargetPoolRequest):
            request = compute.AddInstanceTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_pools_add_instance_request_resource is not None:
                request.target_pools_add_instance_request_resource = (
                    target_pools_add_instance_request_resource
                )

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.add_instance]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def add_instance(
        self,
        request: Optional[Union[compute.AddInstanceTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_pools_add_instance_request_resource: Optional[
            compute.TargetPoolsAddInstanceRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> extended_operation.ExtendedOperation:
        r"""Adds an instance to a target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.AddInstanceTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.AddInstance. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                add instances to.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pools_add_instance_request_resource (google.cloud.compute_v1.types.TargetPoolsAddInstanceRequest):
                The body resource for this request
                This corresponds to the ``target_pools_add_instance_request_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [project, region, target_pool, target_pools_add_instance_request_resource]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.AddInstanceTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.AddInstanceTargetPoolRequest):
            request = compute.AddInstanceTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_pools_add_instance_request_resource is not None:
                request.target_pools_add_instance_request_resource = (
                    target_pools_add_instance_request_resource
                )

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.add_instance]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        operation_service = self._transport._region_operations_client
        operation_request = compute.GetRegionOperationRequest()
        operation_request.project = request.project
        operation_request.region = request.region
        operation_request.operation = response.name

        get_operation = functools.partial(operation_service.get, operation_request)
        # Cancel is not part of extended operations yet.
        cancel_operation = lambda: None

        # Note: this class is an implementation detail to provide a uniform
        # set of names for certain fields in the extended operation proto message.
        # See google.api_core.extended_operation.ExtendedOperation for details
        # on these properties and the  expected interface.
        class _CustomOperation(extended_operation.ExtendedOperation):
            @property
            def error_message(self):
                return self._extended_operation.http_error_message

            @property
            def error_code(self):
                return self._extended_operation.http_error_status_code

        response = _CustomOperation.make(get_operation, cancel_operation, response)

        # Done; return the response.
        return response

    def aggregated_list(
        self,
        request: Optional[Union[compute.AggregatedListTargetPoolsRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> pagers.AggregatedListPager:
        r"""Retrieves an aggregated list of target pools.

        Args:
            request (Union[google.cloud.compute_v1.types.AggregatedListTargetPoolsRequest, dict]):
                The request object. A request message for
                TargetPools.AggregatedList. See the method description
                for details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.cloud.compute_v1.services.target_pools.pagers.AggregatedListPager:
                Iterating over this object will yield
                results and resolve additional pages
                automatically.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([project])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.AggregatedListTargetPoolsRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.AggregatedListTargetPoolsRequest):
            request = compute.AggregatedListTargetPoolsRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.aggregated_list]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("project", request.project),)),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # This method is paged; wrap the response in a pager, which provides
        # an `__iter__` convenience method.
        response = pagers.AggregatedListPager(
            method=rpc,
            request=request,
            response=response,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def delete_unary(
        self,
        request: Optional[Union[compute.DeleteTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.Operation:
        r"""Deletes the specified target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.DeleteTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.Delete. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                delete.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([project, region, target_pool])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.DeleteTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.DeleteTargetPoolRequest):
            request = compute.DeleteTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.delete]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def delete(
        self,
        request: Optional[Union[compute.DeleteTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> extended_operation.ExtendedOperation:
        r"""Deletes the specified target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.DeleteTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.Delete. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                delete.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([project, region, target_pool])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.DeleteTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.DeleteTargetPoolRequest):
            request = compute.DeleteTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.delete]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        operation_service = self._transport._region_operations_client
        operation_request = compute.GetRegionOperationRequest()
        operation_request.project = request.project
        operation_request.region = request.region
        operation_request.operation = response.name

        get_operation = functools.partial(operation_service.get, operation_request)
        # Cancel is not part of extended operations yet.
        cancel_operation = lambda: None

        # Note: this class is an implementation detail to provide a uniform
        # set of names for certain fields in the extended operation proto message.
        # See google.api_core.extended_operation.ExtendedOperation for details
        # on these properties and the  expected interface.
        class _CustomOperation(extended_operation.ExtendedOperation):
            @property
            def error_message(self):
                return self._extended_operation.http_error_message

            @property
            def error_code(self):
                return self._extended_operation.http_error_status_code

        response = _CustomOperation.make(get_operation, cancel_operation, response)

        # Done; return the response.
        return response

    def get(
        self,
        request: Optional[Union[compute.GetTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.TargetPool:
        r"""Returns the specified target pool. Gets a list of
        available target pools by making a list() request.

        Args:
            request (Union[google.cloud.compute_v1.types.GetTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.Get. See the method description for details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                return.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.cloud.compute_v1.types.TargetPool:
                Represents a Target Pool resource.
                Target pools are used for network
                TCP/UDP load balancing. A target pool
                references member instances, an
                associated legacy HttpHealthCheck
                resource, and, optionally, a backup
                target pool. For more information, read
                Using target pools.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([project, region, target_pool])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.GetTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.GetTargetPoolRequest):
            request = compute.GetTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.get]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def get_health(
        self,
        request: Optional[Union[compute.GetHealthTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        instance_reference_resource: Optional[compute.InstanceReference] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.TargetPoolInstanceHealth:
        r"""Gets the most recent health check results for each IP
        for the instance that is referenced by the given target
        pool.

        Args:
            request (Union[google.cloud.compute_v1.types.GetHealthTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.GetHealth. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                which the queried instance belongs.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            instance_reference_resource (google.cloud.compute_v1.types.InstanceReference):
                The body resource for this request
                This corresponds to the ``instance_reference_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.cloud.compute_v1.types.TargetPoolInstanceHealth:

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [project, region, target_pool, instance_reference_resource]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.GetHealthTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.GetHealthTargetPoolRequest):
            request = compute.GetHealthTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if instance_reference_resource is not None:
                request.instance_reference_resource = instance_reference_resource

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.get_health]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def insert_unary(
        self,
        request: Optional[Union[compute.InsertTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool_resource: Optional[compute.TargetPool] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.Operation:
        r"""Creates a target pool in the specified project and
        region using the data included in the request.

        Args:
            request (Union[google.cloud.compute_v1.types.InsertTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.Insert. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool_resource (google.cloud.compute_v1.types.TargetPool):
                The body resource for this request
                This corresponds to the ``target_pool_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([project, region, target_pool_resource])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.InsertTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.InsertTargetPoolRequest):
            request = compute.InsertTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool_resource is not None:
                request.target_pool_resource = target_pool_resource

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.insert]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def insert(
        self,
        request: Optional[Union[compute.InsertTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool_resource: Optional[compute.TargetPool] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> extended_operation.ExtendedOperation:
        r"""Creates a target pool in the specified project and
        region using the data included in the request.

        Args:
            request (Union[google.cloud.compute_v1.types.InsertTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.Insert. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool_resource (google.cloud.compute_v1.types.TargetPool):
                The body resource for this request
                This corresponds to the ``target_pool_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([project, region, target_pool_resource])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.InsertTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.InsertTargetPoolRequest):
            request = compute.InsertTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool_resource is not None:
                request.target_pool_resource = target_pool_resource

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.insert]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        operation_service = self._transport._region_operations_client
        operation_request = compute.GetRegionOperationRequest()
        operation_request.project = request.project
        operation_request.region = request.region
        operation_request.operation = response.name

        get_operation = functools.partial(operation_service.get, operation_request)
        # Cancel is not part of extended operations yet.
        cancel_operation = lambda: None

        # Note: this class is an implementation detail to provide a uniform
        # set of names for certain fields in the extended operation proto message.
        # See google.api_core.extended_operation.ExtendedOperation for details
        # on these properties and the  expected interface.
        class _CustomOperation(extended_operation.ExtendedOperation):
            @property
            def error_message(self):
                return self._extended_operation.http_error_message

            @property
            def error_code(self):
                return self._extended_operation.http_error_status_code

        response = _CustomOperation.make(get_operation, cancel_operation, response)

        # Done; return the response.
        return response

    def list(
        self,
        request: Optional[Union[compute.ListTargetPoolsRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> pagers.ListPager:
        r"""Retrieves a list of target pools available to the
        specified project and region.

        Args:
            request (Union[google.cloud.compute_v1.types.ListTargetPoolsRequest, dict]):
                The request object. A request message for
                TargetPools.List. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.cloud.compute_v1.services.target_pools.pagers.ListPager:
                Contains a list of TargetPool
                resources.
                Iterating over this object will yield
                results and resolve additional pages
                automatically.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any([project, region])
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.ListTargetPoolsRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.ListTargetPoolsRequest):
            request = compute.ListTargetPoolsRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.list]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # This method is paged; wrap the response in a pager, which provides
        # an `__iter__` convenience method.
        response = pagers.ListPager(
            method=rpc,
            request=request,
            response=response,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def remove_health_check_unary(
        self,
        request: Optional[
            Union[compute.RemoveHealthCheckTargetPoolRequest, dict]
        ] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_pools_remove_health_check_request_resource: Optional[
            compute.TargetPoolsRemoveHealthCheckRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.Operation:
        r"""Removes health check URL from a target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.RemoveHealthCheckTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.RemoveHealthCheck. See the method
                description for details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region for this request.
                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the target pool to remove
                health checks from.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pools_remove_health_check_request_resource (google.cloud.compute_v1.types.TargetPoolsRemoveHealthCheckRequest):
                The body resource for this request
                This corresponds to the ``target_pools_remove_health_check_request_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [
                project,
                region,
                target_pool,
                target_pools_remove_health_check_request_resource,
            ]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.RemoveHealthCheckTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.RemoveHealthCheckTargetPoolRequest):
            request = compute.RemoveHealthCheckTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_pools_remove_health_check_request_resource is not None:
                request.target_pools_remove_health_check_request_resource = (
                    target_pools_remove_health_check_request_resource
                )

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.remove_health_check]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def remove_health_check(
        self,
        request: Optional[
            Union[compute.RemoveHealthCheckTargetPoolRequest, dict]
        ] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_pools_remove_health_check_request_resource: Optional[
            compute.TargetPoolsRemoveHealthCheckRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> extended_operation.ExtendedOperation:
        r"""Removes health check URL from a target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.RemoveHealthCheckTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.RemoveHealthCheck. See the method
                description for details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region for this request.
                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the target pool to remove
                health checks from.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pools_remove_health_check_request_resource (google.cloud.compute_v1.types.TargetPoolsRemoveHealthCheckRequest):
                The body resource for this request
                This corresponds to the ``target_pools_remove_health_check_request_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [
                project,
                region,
                target_pool,
                target_pools_remove_health_check_request_resource,
            ]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.RemoveHealthCheckTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.RemoveHealthCheckTargetPoolRequest):
            request = compute.RemoveHealthCheckTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_pools_remove_health_check_request_resource is not None:
                request.target_pools_remove_health_check_request_resource = (
                    target_pools_remove_health_check_request_resource
                )

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.remove_health_check]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        operation_service = self._transport._region_operations_client
        operation_request = compute.GetRegionOperationRequest()
        operation_request.project = request.project
        operation_request.region = request.region
        operation_request.operation = response.name

        get_operation = functools.partial(operation_service.get, operation_request)
        # Cancel is not part of extended operations yet.
        cancel_operation = lambda: None

        # Note: this class is an implementation detail to provide a uniform
        # set of names for certain fields in the extended operation proto message.
        # See google.api_core.extended_operation.ExtendedOperation for details
        # on these properties and the  expected interface.
        class _CustomOperation(extended_operation.ExtendedOperation):
            @property
            def error_message(self):
                return self._extended_operation.http_error_message

            @property
            def error_code(self):
                return self._extended_operation.http_error_status_code

        response = _CustomOperation.make(get_operation, cancel_operation, response)

        # Done; return the response.
        return response

    def remove_instance_unary(
        self,
        request: Optional[Union[compute.RemoveInstanceTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_pools_remove_instance_request_resource: Optional[
            compute.TargetPoolsRemoveInstanceRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.Operation:
        r"""Removes instance URL from a target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.RemoveInstanceTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.RemoveInstance. See the method description
                for details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                remove instances from.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pools_remove_instance_request_resource (google.cloud.compute_v1.types.TargetPoolsRemoveInstanceRequest):
                The body resource for this request
                This corresponds to the ``target_pools_remove_instance_request_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [
                project,
                region,
                target_pool,
                target_pools_remove_instance_request_resource,
            ]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.RemoveInstanceTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.RemoveInstanceTargetPoolRequest):
            request = compute.RemoveInstanceTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_pools_remove_instance_request_resource is not None:
                request.target_pools_remove_instance_request_resource = (
                    target_pools_remove_instance_request_resource
                )

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.remove_instance]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def remove_instance(
        self,
        request: Optional[Union[compute.RemoveInstanceTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_pools_remove_instance_request_resource: Optional[
            compute.TargetPoolsRemoveInstanceRequest
        ] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> extended_operation.ExtendedOperation:
        r"""Removes instance URL from a target pool.

        Args:
            request (Union[google.cloud.compute_v1.types.RemoveInstanceTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.RemoveInstance. See the method description
                for details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                remove instances from.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pools_remove_instance_request_resource (google.cloud.compute_v1.types.TargetPoolsRemoveInstanceRequest):
                The body resource for this request
                This corresponds to the ``target_pools_remove_instance_request_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [
                project,
                region,
                target_pool,
                target_pools_remove_instance_request_resource,
            ]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.RemoveInstanceTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.RemoveInstanceTargetPoolRequest):
            request = compute.RemoveInstanceTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_pools_remove_instance_request_resource is not None:
                request.target_pools_remove_instance_request_resource = (
                    target_pools_remove_instance_request_resource
                )

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.remove_instance]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        operation_service = self._transport._region_operations_client
        operation_request = compute.GetRegionOperationRequest()
        operation_request.project = request.project
        operation_request.region = request.region
        operation_request.operation = response.name

        get_operation = functools.partial(operation_service.get, operation_request)
        # Cancel is not part of extended operations yet.
        cancel_operation = lambda: None

        # Note: this class is an implementation detail to provide a uniform
        # set of names for certain fields in the extended operation proto message.
        # See google.api_core.extended_operation.ExtendedOperation for details
        # on these properties and the  expected interface.
        class _CustomOperation(extended_operation.ExtendedOperation):
            @property
            def error_message(self):
                return self._extended_operation.http_error_message

            @property
            def error_code(self):
                return self._extended_operation.http_error_status_code

        response = _CustomOperation.make(get_operation, cancel_operation, response)

        # Done; return the response.
        return response

    def set_backup_unary(
        self,
        request: Optional[Union[compute.SetBackupTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_reference_resource: Optional[compute.TargetReference] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> compute.Operation:
        r"""Changes a backup target pool's configurations.

        Args:
            request (Union[google.cloud.compute_v1.types.SetBackupTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.SetBackup. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                set a backup pool for.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_reference_resource (google.cloud.compute_v1.types.TargetReference):
                The body resource for this request
                This corresponds to the ``target_reference_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [project, region, target_pool, target_reference_resource]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.SetBackupTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.SetBackupTargetPoolRequest):
            request = compute.SetBackupTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_reference_resource is not None:
                request.target_reference_resource = target_reference_resource

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.set_backup]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response

    def set_backup(
        self,
        request: Optional[Union[compute.SetBackupTargetPoolRequest, dict]] = None,
        *,
        project: Optional[str] = None,
        region: Optional[str] = None,
        target_pool: Optional[str] = None,
        target_reference_resource: Optional[compute.TargetReference] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: Optional[float] = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> extended_operation.ExtendedOperation:
        r"""Changes a backup target pool's configurations.

        Args:
            request (Union[google.cloud.compute_v1.types.SetBackupTargetPoolRequest, dict]):
                The request object. A request message for
                TargetPools.SetBackup. See the method description for
                details.
            project (str):
                Project ID for this request.
                This corresponds to the ``project`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            region (str):
                Name of the region scoping this
                request.

                This corresponds to the ``region`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_pool (str):
                Name of the TargetPool resource to
                set a backup pool for.

                This corresponds to the ``target_pool`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            target_reference_resource (google.cloud.compute_v1.types.TargetReference):
                The body resource for this request
                This corresponds to the ``target_reference_resource`` field
                on the ``request`` instance; if ``request`` is provided, this
                should not be set.
            retry (google.api_core.retry.Retry): Designation of what errors, if any,
                should be retried.
            timeout (float): The timeout for this request.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.

        Returns:
            google.api_core.extended_operation.ExtendedOperation:
                An object representing a extended
                long-running operation.

        """
        # Create or coerce a protobuf request object.
        # Quick check: If we got a request object, we should *not* have
        # gotten any keyword arguments that map to the request.
        has_flattened_params = any(
            [project, region, target_pool, target_reference_resource]
        )
        if request is not None and has_flattened_params:
            raise ValueError(
                "If the `request` argument is set, then none of "
                "the individual field arguments should be set."
            )

        # Minor optimization to avoid making a copy if the user passes
        # in a compute.SetBackupTargetPoolRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, compute.SetBackupTargetPoolRequest):
            request = compute.SetBackupTargetPoolRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if project is not None:
                request.project = project
            if region is not None:
                request.region = region
            if target_pool is not None:
                request.target_pool = target_pool
            if target_reference_resource is not None:
                request.target_reference_resource = target_reference_resource

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.set_backup]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata(
                (
                    ("project", request.project),
                    ("region", request.region),
                    ("target_pool", request.target_pool),
                )
            ),
        )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        operation_service = self._transport._region_operations_client
        operation_request = compute.GetRegionOperationRequest()
        operation_request.project = request.project
        operation_request.region = request.region
        operation_request.operation = response.name

        get_operation = functools.partial(operation_service.get, operation_request)
        # Cancel is not part of extended operations yet.
        cancel_operation = lambda: None

        # Note: this class is an implementation detail to provide a uniform
        # set of names for certain fields in the extended operation proto message.
        # See google.api_core.extended_operation.ExtendedOperation for details
        # on these properties and the  expected interface.
        class _CustomOperation(extended_operation.ExtendedOperation):
            @property
            def error_message(self):
                return self._extended_operation.http_error_message

            @property
            def error_code(self):
                return self._extended_operation.http_error_status_code

        response = _CustomOperation.make(get_operation, cancel_operation, response)

        # Done; return the response.
        return response

    def __enter__(self):
        return self

    def __exit__(self, type, value, traceback):
        """Releases underlying transport's resources.

        .. warning::
            ONLY use as a context manager if the transport is NOT shared
            with other clients! Exiting the with block will CLOSE the transport
            and may cause errors in other clients!
        """
        self.transport.close()

try:
    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
        gapic_version=pkg_resources.get_distribution(
            "google-cloud-compute",
        ).version,
    )
except pkg_resources.DistributionNotFound:
    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()

__all__ = ("TargetPoolsClient",)

redpajama_set_name: RedPajamaGithub