public async Task <Response <ExpressRouteLink> > GetAsync(string resourceGroupName, string expressRoutePortName, string linkName, CancellationToken cancellationToken = default)
        {
            if (resourceGroupName == null)
            {
                throw new ArgumentNullException(nameof(resourceGroupName));
            }
            if (expressRoutePortName == null)
            {
                throw new ArgumentNullException(nameof(expressRoutePortName));
            }
            if (linkName == null)
            {
                throw new ArgumentNullException(nameof(linkName));
            }

            using var message = CreateGetRequest(resourceGroupName, expressRoutePortName, linkName);
            await _pipeline.SendAsync(message, cancellationToken).ConfigureAwait(false);

            switch (message.Response.Status)
            {
            case 200:
            {
                ExpressRouteLink value = default;
                using var document = await JsonDocument.ParseAsync(message.Response.ContentStream, default, cancellationToken).ConfigureAwait(false);

                value = ExpressRouteLink.DeserializeExpressRouteLink(document.RootElement);
                return(Response.FromValue(value, message.Response));
            }
        internal static ExpressRoutePortData DeserializeExpressRoutePortData(JsonElement element)
        {
            Optional <string>           etag              = default;
            Optional <ResourceIdentity> identity          = default;
            Optional <string>           id                = default;
            Optional <string>           name              = default;
            Optional <string>           type              = default;
            Optional <string>           location          = default;
            Optional <IDictionary <string, string> > tags = default;
            Optional <string> peeringLocation             = default;
            Optional <int>    bandwidthInGbps             = default;
            Optional <float>  provisionedBandwidthInGbps  = default;
            Optional <string> mtu = default;
            Optional <ExpressRoutePortsEncapsulation> encapsulation = default;
            Optional <string> etherType      = default;
            Optional <string> allocationDate = default;
            Optional <IList <ExpressRouteLink> >            links    = default;
            Optional <IReadOnlyList <WritableSubResource> > circuits = default;
            Optional <ProvisioningState> provisioningState           = default;
            Optional <string>            resourceGuid = default;

            foreach (var property in element.EnumerateObject())
            {
                if (property.NameEquals("etag"))
                {
                    etag = property.Value.GetString();
                    continue;
                }
                if (property.NameEquals("identity"))
                {
                    if (property.Value.ValueKind == JsonValueKind.Null)
                    {
                        property.ThrowNonNullablePropertyIsNull();
                        continue;
                    }
                    identity = JsonSerializer.Deserialize <ResourceIdentity>(property.Value.ToString());
                    continue;
                }
                if (property.NameEquals("id"))
                {
                    id = property.Value.GetString();
                    continue;
                }
                if (property.NameEquals("name"))
                {
                    name = property.Value.GetString();
                    continue;
                }
                if (property.NameEquals("type"))
                {
                    type = property.Value.GetString();
                    continue;
                }
                if (property.NameEquals("location"))
                {
                    location = property.Value.GetString();
                    continue;
                }
                if (property.NameEquals("tags"))
                {
                    if (property.Value.ValueKind == JsonValueKind.Null)
                    {
                        property.ThrowNonNullablePropertyIsNull();
                        continue;
                    }
                    Dictionary <string, string> dictionary = new Dictionary <string, string>();
                    foreach (var property0 in property.Value.EnumerateObject())
                    {
                        dictionary.Add(property0.Name, property0.Value.GetString());
                    }
                    tags = dictionary;
                    continue;
                }
                if (property.NameEquals("properties"))
                {
                    if (property.Value.ValueKind == JsonValueKind.Null)
                    {
                        property.ThrowNonNullablePropertyIsNull();
                        continue;
                    }
                    foreach (var property0 in property.Value.EnumerateObject())
                    {
                        if (property0.NameEquals("peeringLocation"))
                        {
                            peeringLocation = property0.Value.GetString();
                            continue;
                        }
                        if (property0.NameEquals("bandwidthInGbps"))
                        {
                            if (property0.Value.ValueKind == JsonValueKind.Null)
                            {
                                property0.ThrowNonNullablePropertyIsNull();
                                continue;
                            }
                            bandwidthInGbps = property0.Value.GetInt32();
                            continue;
                        }
                        if (property0.NameEquals("provisionedBandwidthInGbps"))
                        {
                            if (property0.Value.ValueKind == JsonValueKind.Null)
                            {
                                property0.ThrowNonNullablePropertyIsNull();
                                continue;
                            }
                            provisionedBandwidthInGbps = property0.Value.GetSingle();
                            continue;
                        }
                        if (property0.NameEquals("mtu"))
                        {
                            mtu = property0.Value.GetString();
                            continue;
                        }
                        if (property0.NameEquals("encapsulation"))
                        {
                            if (property0.Value.ValueKind == JsonValueKind.Null)
                            {
                                property0.ThrowNonNullablePropertyIsNull();
                                continue;
                            }
                            encapsulation = new ExpressRoutePortsEncapsulation(property0.Value.GetString());
                            continue;
                        }
                        if (property0.NameEquals("etherType"))
                        {
                            etherType = property0.Value.GetString();
                            continue;
                        }
                        if (property0.NameEquals("allocationDate"))
                        {
                            allocationDate = property0.Value.GetString();
                            continue;
                        }
                        if (property0.NameEquals("links"))
                        {
                            if (property0.Value.ValueKind == JsonValueKind.Null)
                            {
                                property0.ThrowNonNullablePropertyIsNull();
                                continue;
                            }
                            List <ExpressRouteLink> array = new List <ExpressRouteLink>();
                            foreach (var item in property0.Value.EnumerateArray())
                            {
                                array.Add(ExpressRouteLink.DeserializeExpressRouteLink(item));
                            }
                            links = array;
                            continue;
                        }
                        if (property0.NameEquals("circuits"))
                        {
                            if (property0.Value.ValueKind == JsonValueKind.Null)
                            {
                                property0.ThrowNonNullablePropertyIsNull();
                                continue;
                            }
                            List <WritableSubResource> array = new List <WritableSubResource>();
                            foreach (var item in property0.Value.EnumerateArray())
                            {
                                array.Add(JsonSerializer.Deserialize <WritableSubResource>(item.ToString()));
                            }
                            circuits = array;
                            continue;
                        }
                        if (property0.NameEquals("provisioningState"))
                        {
                            if (property0.Value.ValueKind == JsonValueKind.Null)
                            {
                                property0.ThrowNonNullablePropertyIsNull();
                                continue;
                            }
                            provisioningState = new ProvisioningState(property0.Value.GetString());
                            continue;
                        }
                        if (property0.NameEquals("resourceGuid"))
                        {
                            resourceGuid = property0.Value.GetString();
                            continue;
                        }
                    }
                    continue;
                }
            }
            return(new ExpressRoutePortData(id.Value, name.Value, type.Value, location.Value, Optional.ToDictionary(tags), etag.Value, identity, peeringLocation.Value, Optional.ToNullable(bandwidthInGbps), Optional.ToNullable(provisionedBandwidthInGbps), mtu.Value, Optional.ToNullable(encapsulation), etherType.Value, allocationDate.Value, Optional.ToList(links), Optional.ToList(circuits), Optional.ToNullable(provisioningState), resourceGuid.Value));
        }