public override void Load()

in src/Microsoft.Extensions.Configuration.AzureAppConfiguration/AzureAppConfigurationProvider.cs [159:202]
29 lines of code
4 McCabe index (conditional complexity)

        public override void Load()
        {
            var watch = Stopwatch.StartNew();
            using Activity activity = _activitySource.StartActivity(ActivityNames.Load);
            try
            {
                using var startupCancellationTokenSource = new CancellationTokenSource(_options.Startup.Timeout);

                // Load() is invoked only once during application startup. We don't need to check for concurrent network
                // operations here because there can't be any other startup or refresh operation in progress at this time.
                LoadAsync(_optional, startupCancellationTokenSource.Token).ConfigureAwait(false).GetAwaiter().GetResult();
            }
            catch (ArgumentException)
            {
                // Instantly re-throw the exception
                throw;
            }
            catch
            {
                // AzureAppConfigurationProvider.Load() method is called in the application's startup code path.
                // Unhandled exceptions cause application crash which can result in crash loops as orchestrators attempt to restart the application.
                // Knowing the intended usage of the provider in startup code path, we mitigate back-to-back crash loops from overloading the server with requests by waiting a minimum time to propogate fatal errors.

                var waitInterval = MinDelayForUnhandledFailure.Subtract(watch.Elapsed);

                if (waitInterval.Ticks > 0)
                {
                    Task.Delay(waitInterval).ConfigureAwait(false).GetAwaiter().GetResult();
                }

                // Re-throw the exception after the additional delay (if required)
                throw;
            }
            finally
            {
                // Set the provider for AzureAppConfigurationRefresher instance after LoadAll has completed.
                // This stops applications from calling RefreshAsync until config has been initialized during startup.
                var refresher = (AzureAppConfigurationRefresher)_options.GetRefresher();
                refresher.SetProvider(this);
            }

            // Mark all settings have loaded at startup.
            _isInitialLoadComplete = true;
        }