final public void alias_declaration() throws ParseException {
    jj_consume_token(ALIAS);
    identifier();
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 151:
      jj_consume_token(151);
      subtype_indication();
      break;
    default:
      jj_la1[196] = jj_gen;
      ;
    }
    jj_consume_token(IS);
    name();
    signature();
    jj_consume_token(SEMICOLON);
  }