return hashZipContents(fileSnapshotContext.getSnapshot());
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        hasher.putString(getClass().getName());
        resourceHasher.appendConfigurationToHasher(hasher);
    }

    @Nullable
    private HashCode hashZipContents(RegularFileSnapshot zipFileSnapshot) {
        try {