private boolean parseUnnamedPattern(final PsiBuilder builder) {
    PsiBuilder.Marker patternStart = builder.mark();
    if (builder.getTokenType() == JavaTokenType.IDENTIFIER &&
        "_".equals(builder.getTokenText())) {
      emptyElement(builder, myJavaElementTypeContainer.TYPE);
      builder.advanceLexer();
      done(patternStart, myJavaElementTypeContainer.UNNAMED_PATTERN, myWhiteSpaceAndCommentSetHolder);
      return true;
    }
    patternStart.rollbackTo();
    return false;
  }
private boolean parseUnnamedPattern(final PsiBuilder builder)