/// <summary>
/// Registers a simple <see cref="Action"/> method to invoke the <c>first time</c> the player saves the game via the in game menu.
/// </summary>
/// <param name="onSaveAction">The method to invoke. This action will not be invoked a second time.</param>
void IIngameMenuHandler.RegisterOneTimeUseOnSaveEvent(Action onSaveAction)
{
IngameMenuPatcher.AddOneTimeUseSaveEvent(onSaveAction);
}
