public Parser configurationSection() {
        if (configurationSectionParser == null) {
           FutureParser future = scoped("configurationSection");
           configurationSectionParser = future;
           future.setParser(
               sequence(
                   token("CONFIGURATION"),
                   token("SECTION"),
                   token("."),
                   optional(
                       configurationSectionBody()
                   )
               )
           );
        }

        return configurationSectionParser;
    }