while (!val.isEmpty() && Character.isWhitespace(val.charAt(0))) {
                val = val.substring(1);
            }
            sb.append(val);
        }
        String[] property = PropertiesReader.parseProperty(sb.toString());
        this.layout.put(key, new Layout(commentLines, valueLines));
        return storage.put(key, property[1]);
    }

    public String put(String key, List<String> commentLines, String value) {