/// <summary>
/// Sets the validation logic for the member as a collection of nested models.
/// </summary>
/// <typeparam name="TModel">Type of the parent model.</typeparam>
/// <typeparam name="TItem">Type of the nested models in the collection.</typeparam>
/// <param name="this"></param>
/// <param name="specification">The specification for the single nested model in the collection.</param>
public static IMemberSpecificationBuilder <TModel, IReadOnlyCollection <TItem> > AsModelsCollection <TModel, TItem>(this IMemberSpecificationBuilder <TModel, IReadOnlyCollection <TItem> > @this, Specification <TItem> specification = null)
where TModel : class
where TItem : class
{
return(@this.AsModelsCollection <TModel, IReadOnlyCollection <TItem>, TItem>(specification));
}