Method containsKey

output/java_guava/1.4.13/LocalCache.java:4153–4161

(@Nullable Object key)

        }

        @Override
        public boolean containsKey(@Nullable Object key) {
    // does not impact recency ordering
    if (key == null) {
            return false;
    }
    int hash = hash(key);
    return segmentFor(hash).containsKey(key, hash);
        }

        @Override
        public boolean containsValue(@Nullable Object value) {