private void parseCHANGEDClause(PsiBuilder builder) {
    LOG.assertTrue(builder.getTokenType() == JqlTokenTypes.CHANGED_KEYWORD);
    if (!advanceIfMatches(builder, JqlTokenTypes.CHANGED_KEYWORD)) {
      return;
    }
    while (JqlTokenTypes.HISTORY_PREDICATES.contains(builder.getTokenType())) {
      parseHistoryPredicate(builder);
    }
  }
private void parseCHANGEDClause(PsiBuilder builder)