Tokens tokens = Tokens.instance(context);
Assert.checkNonNull(tokens);
next.put(Tokens.tokensKey, tokens);
Log nextLog = Log.instance(next);
nextLog.initRound(log);
JavaCompiler oldCompiler = JavaCompiler.instance(context);
JavaCompiler nextCompiler = JavaCompiler.instance(next);
nextCompiler.initRound(oldCompiler);