/guava/guava/src/com/google/common/collect/RegularImmutableBiMap.java
return true;
return null;
entry != null; entry = entry.getNextInValueBucket()) { if (value.equals(entry.getValue())) { return entry.getKey(); } } <extra_id_0> } @Override ImmutableSet<V> createKeySet() { return new ImmutableMapKeySet<>(this); } @Override