/// <summary>
/// Adds a Signal (if not already present) to be sent at the end of the shell scope.
/// </summary>
public static void DeferredSignalToken(this ISignal signal, string key)
{
ShellScope.AddDeferredSignal(key);
}
/// <summary>
/// Adds a Signal (if not already present) to be sent at the end of the shell scope.
/// </summary>
public static void DeferredSignalToken(this ISignal signal, string key)
{
ShellScope.AddDeferredSignal(key);
}