def __init__(__self__, *, service: Optional[pulumi.Input[str]]=None, url_mask: Optional[pulumi.Input[str]]=None, version: Optional[pulumi.Input[str]]=None):
    '\n        Configuration for an App Engine network endpoint group (NEG). The service is optional, may be provided explicitly or in the URL mask. The version is optional and can only be provided explicitly or in the URL mask when service is present. Note: App Engine service must be in the same project and located in the same region as the Serverless NEG.\n        :param pulumi.Input[str] service: Optional serving service. The service name is case-sensitive and must be 1-63 characters long. Example value: "default", "my-service".\n        :param pulumi.Input[str] url_mask: A template to parse service and version fields from a request URL. URL mask allows for routing to multiple App Engine services without having to create multiple Network Endpoint Groups and backend services. For example, the request URLs "foo1-dot-appname.appspot.com/v1" and "foo1-dot-appname.appspot.com/v2" can be backed by the same Serverless NEG with URL mask "-dot-appname.appspot.com/". The URL mask will parse them to { service = "foo1", version = "v1" } and { service = "foo1", version = "v2" } respectively.\n        :param pulumi.Input[str] version: Optional serving version. The version name is case-sensitive and must be 1-100 characters long. Example value: "v1", "v2".\n        '
    if (service is not None):
        pulumi.set(__self__, 'service', service)
    if (url_mask is not None):
        pulumi.set(__self__, 'url_mask', url_mask)
    if (version is not None):
        pulumi.set(__self__, 'version', version)
Configuration for an App Engine network endpoint group (NEG). The service is optional, may be provided explicitly or in the URL mask. The version is optional and can only be provided explicitly or in the URL mask when service is present. Note: App Engine service must be in the same project and located in the same region as the Serverless NEG.
:param pulumi.Input[str] service: Optional serving service. The service name is case-sensitive and must be 1-63 characters long. Example value: "default", "my-service".
:param pulumi.Input[str] url_mask: A template to parse service and version fields from a request URL. URL mask allows for routing to multiple App Engine services without having to create multiple Network Endpoint Groups and backend services. For example, the request URLs "foo1-dot-appname.appspot.com/v1" and "foo1-dot-appname.appspot.com/v2" can be backed by the same Serverless NEG with URL mask "-dot-appname.appspot.com/". The URL mask will parse them to { service = "foo1", version = "v1" } and { service = "foo1", version = "v2" } respectively.
:param pulumi.Input[str] version: Optional serving version. The version name is case-sensitive and must be 1-100 characters long. Example value: "v1", "v2".
def __init__(__self__, *, service: Optional[pulumi.Input[str]]=None, url_mask: Optional[pulumi.Input[str]]=None, version: Optional[pulumi.Input[str]]=None):
    '\n        Configuration for an App Engine network endpoint group (NEG). The service is optional, may be provided explicitly or in the URL mask. The version is optional and can only be provided explicitly or in the URL mask when service is present. Note: App Engine service must be in the same project and located in the same region as the Serverless NEG.\n        :param pulumi.Input[str] service: Optional serving service. The service name is case-sensitive and must be 1-63 characters long. Example value: "default", "my-service".\n        :param pulumi.Input[str] url_mask: A template to parse service and version fields from a request URL. URL mask allows for routing to multiple App Engine services without having to create multiple Network Endpoint Groups and backend services. For example, the request URLs "foo1-dot-appname.appspot.com/v1" and "foo1-dot-appname.appspot.com/v2" can be backed by the same Serverless NEG with URL mask "-dot-appname.appspot.com/". The URL mask will parse them to { service = "foo1", version = "v1" } and { service = "foo1", version = "v2" } respectively.\n        :param pulumi.Input[str] version: Optional serving version. The version name is case-sensitive and must be 1-100 characters long. Example value: "v1", "v2".\n        '
    if (service is not None):
        pulumi.set(__self__, 'service', service)
    if (url_mask is not None):
        pulumi.set(__self__, 'url_mask', url_mask)
    if (version is not None):
        pulumi.set(__self__, 'version', version)