return result;
    }

    private static class DefaultChecksumAlgorithm implements ChecksumAlgorithm {
        private final ChecksumAlgorithmFactory factory;

        DefaultChecksumAlgorithm(ChecksumAlgorithmFactory factory) {
            this.factory = factory;
        }

        @Override
        public String getName() {
            return factory.getName();
        }

        return new DefaultSyncContextFactory(getNamedLockFactoryAdapterFactory());
    }

    private Map<String, ChecksumAlgorithmFactory> checksumAlgorithmFactories;

    public final Map<String, ChecksumAlgorithmFactory> getChecksumAlgorithmFactories() {
        checkClosed();
        if (checksumAlgorithmFactories == null) {