public ModelStateManager(Getter<Model> loader, Executter<Model> saver)
{
this.loader = loader;
this.saver = saver;
}
protected LazyMaker(Executter<object[]> maker, params Getter<object>[] sources)
{
this.maker = maker;
this.sources = sources;
this.cacheArgs = new object[sources.Length];
}
