*/
        public ObjectBasedValueSource(Object root) {
            super(true);
            this.root = root;
        }

        /**
         * <p>Split the expression into parts, tokenized on the dot ('.') character. Then,
         * starting at the root object contained in this value source, apply each part
         * to the object graph below this root, using either 'getXXX()' or 'isXXX()'

    checkNotNull(input);
    Tokenizer tokenizer = new Tokenizer(input);
    try {
      String type = tokenizer.consumeToken(TOKEN_MATCHER);
      consumeSeparator(tokenizer, '/');
      String subtype = tokenizer.consumeToken(TOKEN_MATCHER);
      ImmutableListMultimap.Builder<String, String> parameters = ImmutableListMultimap.builder();
      while (tokenizer.hasMore()) {
        consumeSeparator(tokenizer, ';');