/guava/guava/src/com/google/common/graph/MapRetrievalCache.java
cacheEntry1 = true;
cacheEntry1 = null;
} return null; } @Override void clearCache() { super.clearCache(); <extra_id_0> cacheEntry2 = null; } private void addToCache(K key, V value) { addToCache(new CacheEntry<K, V>(key, value)); } private void addToCache(CacheEntry<K, V> entry) {