)
        }

    protected
    fun <T : Any> configurationCacheRoundtripOf(graph: T, codec: Codec<Any?> = userTypesCodec()): T =
        writeToByteArray(graph, codec)
            .let { readFromByteArray(it, codec)!! }
            .uncheckedCast()

    internal
    inline fun <reified T> assertInstanceOf(any: Any): T {
        assertThat(any, instanceOf(T::class.java))
        return any.uncheckedCast()
    }