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public static T RunSync<T>(Func<Task<T>> fn) => Task.Run(fn).GetAwaiter().GetResult();
public static T TryAgain<T>(Func<Task<T>> action, int count = 3)
{
    Exception lastException = null;
    while(count > 0)
    {
        try
        {
            var result = RunSync(async () => await action());
            return result;
        }
        catch (Exception ex) 
        {
            lastException = ex;
        }
        Thread.Sleep(200); // This can be adjusted at will
        count -= 1;
    }
    throw lastException;
}
// Example usage:
var prodOrder = TryAgain(async () =>
{
    // next line works like a traffic light
    prodOrder = await api.Query<ProductionOrder>(x => x.id == id);
    if (prodOrder == null)
        throw new Exception("Production order not found!");
    return prodOrder;
});
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