public CollectionWithMembersInnerContentHandler(MemberInnerContentHandler members,
                                                 CollectionInnerContentHandler collection)
 {
     _members    = members;
     _collection = collection;
 }
 public CollectionWithMembersInnerContentHandler(IListContentsSpecification specification, MemberInnerContentHandler members,
                                                 CollectionInnerContentHandler collection)
     : base(collection.If(specification).Let(members, Empty))
 {
 }