A
mkRoot()
default Trav3.Trav3A<T,S,A,B,C>
newRoot(Path<T> rootPath)
toA(Trav3.Trav3C<T,S,A,B,C> c, T segment)
B
toB(Trav3.Trav3A<T,S,A,B,C> a, T segment)
C
toC(Trav3.Trav3B<T,S,A,B,C> b, T segment)