code: public static PasswordManager getInstance(State state) {
      try {
        return CACHED_INSTANCES
            .get(new CachedInstanceKey(state));
      } catch (ExecutionException e) {
        throw new RuntimeException("Unable to get an instance of PasswordManager", e);
      }
    }
docs: Get an instance. The location of the master password file is provided via "encrypt.key.loc".