public async ValueTask <Response <VpnGateway> > GetAsync(string resourceGroupName, string gatewayName, CancellationToken cancellationToken = default) { if (resourceGroupName == null) { throw new ArgumentNullException(nameof(resourceGroupName)); } if (gatewayName == null) { throw new ArgumentNullException(nameof(gatewayName)); } using var message = CreateGetRequest(resourceGroupName, gatewayName); await _pipeline.SendAsync(message, cancellationToken).ConfigureAwait(false); switch (message.Response.Status) { case 200: { VpnGateway value = default; using var document = await JsonDocument.ParseAsync(message.Response.ContentStream, default, cancellationToken).ConfigureAwait(false); if (document.RootElement.ValueKind == JsonValueKind.Null) { value = null; } else { value = VpnGateway.DeserializeVpnGateway(document.RootElement); } return(Response.FromValue(value, message.Response)); }