#include <iostream.h>
#include <LINK/basic/Container.h>
#include <LINK/basic/SubSet.h>
#include <LINK/graph/Edge.h>
#include <LINK/graph/Buckets.h>

template ostream& operator<<(ostream&, const SubSet<Edge*>&);
template ostream& operator<<(ostream&, const SubSet<Vertex*>&);
template ostream& operator<<(ostream&, const Container<VertexInfo*>&);
