src/main/java/com/github/fge/grappa/parsers/BaseParser.java
@DontLabel
    public Rule sequence(final Object rule, final Object rule2,
        final Object... moreRules)
    {
        final Object[] rules = ImmutableList.builder().add(rule).add(rule2)
            .add(moreRules).build().toArray();
        return sequence(rules);
    }
@DontLabel
    public Rule sequence(final Object rule, final Object rule2,
        final Object... moreRules)
    {
        final Object[] rules = ImmutableList.builder().add(rule).add(rule2)
            .add(moreRules).build().toArray();
        return sequence(rules);
    }
Match a given set of rules, exactly once

@param rule the first subrule
@param rule2 the second subrule
@param moreRules the other subrules
@return a rule