if (!value.getFingerprints().isEmpty()) {
            writeRootHashes(encoder, value.getRootHashes());
            hashCodeSerializer.write(encoder, ((SerializableFileCollectionFingerprint) value).getStrategyConfigurationHash());
        }
    }

    private void writeRootHashes(Encoder encoder, ImmutableMultimap<String, HashCode> rootHashes) throws IOException {
        encoder.writeSmallInt(rootHashes.size());