public Url1(OriginI1 origin, PathI path = null, Query query = null, Fragment frag = null)
{
_origin = origin;
_path = path;
_query = query;
_fragment = frag;
}
public Url2(OriginI1 origin, Route route = null, Query query = null, Fragment frag = null)
{
_origin = origin;
_route = route;
_query = query;
_fragment = frag;
}