String (ArrayList<Int2ObjectMap<IntSet>> dfaResult, ReachingDefinitionsDfaInstance dfa) { @NonNls final StringBuffer buffer = new StringBuffer(); for (int i = 0; i < dfaResult.size(); i++) { Int2ObjectMap<IntSet> map = dfaResult.get(i); buffer.append("At ").append(i).append(":\n"); for (IntSet v : map.values()) { buffer.append(i).append(" -> "); v.forEach((IntConsumer)i1 -> { buffer.append(i1).append(" "); }); } buffer.append("\n"); } return buffer.toString(); }