public Parser replacingCharactersPhrase() {
        if (replacingCharactersPhraseParser == null) {
           FutureParser future = scoped("replacingCharactersPhrase");
           replacingCharactersPhraseParser = future;
           future.setParser(
               sequence(
                   token("CHARACTERS"),
                   token("BY"),
                   choice(
                       identifier(),
                       literal()
                   ),
                   star(
                       locationPhrase()
                   )
               )
           );
        }

        return replacingCharactersPhraseParser;
    }