- public static final TreeMap<Role,Set<String>> data = new TreeMap<>();
- public static final TreeMap<String,Role> keys = new TreeMap<>();
- public static final TreeMap<String,Role> byName = new TreeMap<>();
+ public static final SortedMap<Role,Set<String>> data = new TreeMap<>();
+ public static final SortedMap<String,Role> keys = new TreeMap<>();
+ public static final SortedMap<String,Role> byName = new TreeMap<>();