[NI] New inference -- initial commit.

core/util.runtime/src/org/jetbrains/kotlin/utils/DFS.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2015 JetBrains s.r.o.
+ * Copyright 2010-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -91,7 +91,7 @@ public class DFS {
         return topologicalOrder(nodes, neighbors, new VisitedWithSet<N>());
     }
 
-    private static <N> void doDfs(@NotNull N current, @NotNull Neighbors<N> neighbors, @NotNull Visited<N> visited, @NotNull NodeHandler<N, ?> handler) {
+    public static <N> void doDfs(@NotNull N current, @NotNull Neighbors<N> neighbors, @NotNull Visited<N> visited, @NotNull NodeHandler<N, ?> handler) {
         if (!visited.checkAndMarkVisited(current)) return;
         if (!handler.beforeChildren(current)) return;