public final Authorizations getTableAuths() {
    String auths = conf.get(AccumuloSerDeParameters.AUTHORIZATIONS_KEY);
    if (auths != null && !auths.isEmpty()) {
      return new Authorizations(auths.trim().getBytes(StandardCharsets.UTF_8));
    }
    return new Authorizations();
  }
Accumulo Index Parameters for Hive tables.
accumulo-handler/src/java/org/apache/hadoop/hive/accumulo/serde/AccumuloIndexParameters.java