/// <summary>
/// Set return by <para>wrapFunc</para> AppRunner to <para>appConfig</para> using AppRunner predefined key
/// <para>wrapFunc</para> has single parameter - current AppRunner (could be null)
/// </summary>
/// <param name="appConfig">AppConfig instance</param>
/// <param name="wrapFunc">WrapFunc delegate</param>
/// <returns>AppConfig instance passed to the method</returns>
public static IAppConfig WrapAppRunner(this IAppConfig appConfig, Func <Action, Action> wrapFunc)
{
if (appConfig == null)
{
throw new ArgumentNullException(nameof(appConfig));
}
if (wrapFunc == null)
{
throw new ArgumentNullException(nameof(wrapFunc));
}
appConfig.SetAppRunner(wrapFunc(appConfig.GetAppRunner()));
return(appConfig);
}