// :Package -> fully qualified class name [from] -> set of fully qualified class names [to]
  private Map<String, Map<String, Set<String>>> getDependencies(
      Context context, Collection<JavaFileObject> explicitJFOs, boolean cp) {
    Map<String, Map<String, Set<String>>> result = new HashMap<>();

    for (CompletionNode cnode : getDependencyNodes(context, explicitJFOs, true)) {

      String fqDep = cnode.getClassSymbol().outermostClass().flatname.toString();
      String depPkg = Util.pkgNameOfClassName(fqDep);

      Map<String, Set<String>> depsForThisClass = result.get(depPkg);
      if (depsForThisClass == null) {
        result.put(depPkg, depsForThisClass = new HashMap<>());
      }

      Set<String> fqDeps = depsForThisClass.get(fqDep);
      if (fqDeps == null) {
        depsForThisClass.put(fqDep, fqDeps = new HashSet<>());
      }

      for (Node<?, ?> depNode : getAllDependencies(cnode)) {
        CompletionNode cDepNode = (CompletionNode) depNode;
        // Symbol is not regarded to depend on itself.
        if (cDepNode == cnode) {
          continue;
        }
        // Skip anonymous classes
        if (cDepNode.getClassSymbol().fullname == null) {
          continue;
        }
        if (isSymbolRelevant(cp, cDepNode.getClassSymbol())) {
          fqDeps.add(cDepNode.getClassSymbol().outermostClass().flatname.toString());
        }
      }

      // The completion dependency graph is not transitively closed for inheritance relations.
      // For sjavac's purposes however, a class depends on it's super super type, so below we
      // make sure that we include super types.
      for (ClassSymbol cs : allSupertypes(cnode.getClassSymbol())) {
        if (isSymbolRelevant(cp, cs)) {
          fqDeps.add(cs.outermostClass().flatname.toString());
        }
      }
    }
    return result;
  }
 private void collectPubApisOfDependencies(
     Context context, Collection<JavaFileObject> explicitJFOs) {
   PubAPIs pubApis = PubAPIs.instance(context);
   for (CompletionNode cDepNode : getDependencyNodes(context, explicitJFOs, false)) {
     ClassSymbol cs = cDepNode.getClassSymbol().outermostClass();
     Location loc = getLocationOf(cs);
     // We're completely ignorant of PLATFORM_CLASS_PATH classes
     if (loc == StandardLocation.CLASS_PATH || loc == StandardLocation.SOURCE_PATH)
       pubApis.visitPubapi(cs);
   }
 }