final Map<String, TreeMap<Date, ModuleBuilder>> modules = new LinkedHashMap<String, TreeMap<Date, ModuleBuilder>>();
final ParseTreeWalker walker = new ParseTreeWalker();
final List<ParseTree> trees = parseStreams(yangFileStreams);
final Map<String, TreeMap<Date, ModuleBuilder>> modules = new LinkedHashMap<String, TreeMap<Date, ModuleBuilder>>();
final ParseTreeWalker walker = new ParseTreeWalker();
final List<ParseTree> trees = parseStreams(yangFileStreams);