boolean sendLastModified = true
    boolean sendSha1Header = false

    // by default, all hashes are supported
    Set<SupportedHash> supportedHashes = EnumSet.allOf(SupportedHash)

    boolean supportsHash(SupportedHash toCheck) {
        return supportedHashes.contains(toCheck)
    }

    void beforeHandle(org.gradle.api.Action<HttpServletRequest> r) {
        beforeHandle = r
    }