hnabbasi/INetworkService.cs

## INetworkService.cs
public interface INetworkService
{
    Task<T> Retry<T>(Func<Task<T>> func, int retryCount, Func<Exception, int, Task> onRetry);
    Task<T> WaitAndRetry<T>(Func<Task<T>> func, Func<int, TimeSpan> sleepDurationProvider, int retryCount,
                            Func<Exception, TimeSpan, Task> onRetryAsync);
}
	public interface INetworkService
	{
	Task<T> Retry<T>(Func<Task<T>> func, int retryCount, Func<Exception, int, Task> onRetry);
	Task<T> WaitAndRetry<T>(Func<Task<T>> func, Func<int, TimeSpan> sleepDurationProvider, int retryCount,
	Func<Exception, TimeSpan, Task> onRetryAsync);
	}