private static async ValueTask WaitForLongRunningOperation()

in tools/code/common/Http.cs [253:281]
27 lines of code
10 McCabe index (conditional complexity)

    private static async ValueTask<Response> WaitForLongRunningOperation(this HttpPipeline pipeline, Response response, CancellationToken cancellationToken)
    {
        var updatedResponse = response;
        while (((updatedResponse.Status is (int)HttpStatusCode.OK or (int)HttpStatusCode.Created && IsProvisioningInProgress(updatedResponse)) || 
                updatedResponse.Status == (int)HttpStatusCode.Accepted)
               && updatedResponse.Headers.TryGetValue("Location", out var locationHeaderValue)
               && Uri.TryCreate(locationHeaderValue, UriKind.Absolute, out var locationUri)
               && locationUri is not null)
        {
            if (updatedResponse.Headers.TryGetValue("Retry-After", out var retryAfterString) && int.TryParse(retryAfterString, out var retryAfterSeconds))
            {
                var retryAfterDuration = TimeSpan.FromSeconds(retryAfterSeconds);
                await Task.Delay(retryAfterDuration, cancellationToken);
            }
            else
            {
                await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
            }

            using var request = pipeline.CreateRequest(locationUri, RequestMethod.Get);
            updatedResponse = await pipeline.SendRequestAsync(request, cancellationToken);
            if (updatedResponse.IsError)
            {
                throw updatedResponse.ToHttpRequestException(locationUri);
            }
        }

        return updatedResponse;
    }