class JCache implements net.sf.jsr107cache.Cache {

    public boolean containsKey(Object key) {
        return cache.isKeyInCache(key);
    }

    public  JCache(Ehcache cache);
    public  JCache(Ehcache cache, net.sf.jsr107cache.CacheLoader cacheLoader);
    public  JCache(Ehcache cache, JCacheLoader cacheLoader);

}