@Override
    public void reportDependence(Symbol from, Symbol to) {
        // Capture dependencies between the packages.
        deps.collect(from.packge().fullname, to.packge().fullname);
    }
@ Override public void reportDependence ( Symbol from , Symbol to ) { deps . collect ( from . packge ( ) . fullname , to . packge ( ) . fullname ) ; }
Collect dependencies in the enclosing class
@param from The enclosing class sym
@param to   The enclosing classes references this sym.