ninja-core/src/main/java/ninja/cache/NinjaCache.java
@SuppressWarnings("unchecked")
    public <T> T get(String key, Class<T> clazz) {
        return (T) cache.get(key);
    }
@SuppressWarnings("unchecked")
    public <T> T get(String key, Class<T> clazz) {
        return (T) cache.get(key);
    }
Convenient clazz to get a value a class type;
@param <T> The needed type
@param key The element key
@param clazz The type class
@return The element value or null