/guava/android/guava/src/com/google/common/collect/CompactHashMap.java
next = CompactHashing.getNext ( entry, mask ) ; } while ( next != UNSET ) ;
int entryIndex = next - 1; int entry = entry(entryIndex); if (CompactHashing.getHashPrefix(entry, mask) == hashPrefix && Objects.equal(key, key(entryIndex))) { return entryIndex; } <extra_id_0> return -1; } @Override public boolean containsKey(@CheckForNull Object key) { Map<K, V> delegate = delegateOrNull(); return (delegate != null) ? delegate.containsKey(key) : indexOf(key) != -1;