/// <summary>
/// Method UnSubscribeFromValueChanged.
/// Implements unsubscription from value change event.
/// <param name="listener">Subscriber - function with 1 argument of type T.</param>
/// </summary>
public void UnSubscribeFromValueChanged(TriggerValueHandler listener)
{
OnValueChanged -= listener;
}
/// <summary>
/// Method SubscribeToValueChanged.
/// Implements subscription on value change event.
/// <param name="listener">Subscriber - function with 1 argument of type T.</param>
/// </summary>
public void SubscribeToValueChanged(TriggerValueHandler listener)
{
OnValueChanged += listener;
}
