public EnumerableSurrogate(ReferenceMap <KeyType, ValueType> map, bool forward, bool robust, bool startKeyed, KeyType startKey)
{
this.map = map;
this.forward = forward;
this.robust = robust;
this.startKeyed = startKeyed;
this.startKey = startKey;
}
public ReferenceMap(ReferenceMap <KeyType, ValueType> original)
{
items.AddRange(original.items);
}