/**
* Returns a date value associated with the specified key, or the default value if the key does
* not exist. Date values can be converted from standard UTC time formats.
*
* @param key The key to look up.
* @param defaultValue The default value.
* @return The date value associated with the specified key.
*/
Date getDate(String key, Date defaultValue) {
if (toUpdate.containsKey(key)) return Value.toDate(toUpdate.get(key).toString());
return getContent().getDate(key, defaultValue);
}
