data class InputFileSystemEntry(
        val file: File,
        val fileType: FileType
    ) : ConfigurationCacheFingerprint()

    data class ValueSource(
        val obtainedValue: ObtainedValue
    ) : ConfigurationCacheFingerprint()

    data class UndeclaredSystemProperty(
        val key: String,
        val value: Any?
    ) : ConfigurationCacheFingerprint()

     */
    @EventScope(Scope.Build.class)
    interface ComputationListener {
        void beforeValueObtained();

        void afterValueObtained();
    }

    @EventScope(Scope.Build.class)
    interface ValueListener {
        <T, P extends ValueSourceParameters> void valueObtained(
            ObtainedValue<T, P> obtainedValue,