code: public boolean skip(ParserToken token) {
        if (token == null) {
           return false;
        }
        if (isPrefix(token)) {
           if (prefixHandlers.containsKey(token.getType())) {
              return prefixHandlers.get(token.getType()) instanceof PrefixSkipHandler;
           } else {
              return prefixSkipHandler != null;
           }
        }
        return false;
     }
docs: Determines if the given the token should be skipped or not
  
  @param token the token to check
  @return True if the token should be skipped, false if it should be parsed.