Add getParent method #27
Description
Every type in our model should provide the following two methods
<T> T getParent(Class<T> type)
<T> T getParent(Class<T> type, Predicate<T> filter){{ message }}
Every type in our model should provide the following two methods
<T> T getParent(Class<T> type)
<T> T getParent(Class<T> type, Predicate<T> filter)