public IDisposable Subscribe(string key, Action <string, string> handler)
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException(nameof(key));
}
if (handler == null)
{
throw new ArgumentNullException(nameof(handler));
}
return(_subscriptions.AddSubscription(key, handler));
}
/// <summary>
/// Добавляет подписку.
/// </summary>
public IDisposable Subscribe(string key, Action <string, string> handler)
{
return(_subscriptions.AddSubscription(key, handler));
}