Object value, Entry<?, ?> entry, @Nullable ImmutableMapEntry<?, ?> valueBucketHead)
      throws BucketOverflowException {
    int bucketSize = 0;
    for (; valueBucketHead != null; valueBucketHead = valueBucketHead.getNextInValueBucket()) {
      checkNoConflict(!value.equals(valueBucketHead.getValue()), "value", entry, valueBucketHead);
      if (++bucketSize > MAX_HASH_BUCKET_LENGTH) {
        throw new BucketOverflowException();
      }
    }