val client = HttpClient(CIO) {
    install(JsonFeature) {
        serializer = KotlinxSerializer().apply {
            registerList<Preference>()
        }
    }
}

fun main() = runBlocking {
    println(client.getPreferences())
}

suspend fun HttpClient.getPreferences() = get<List<Preference>> {
    headers {
		//ommitted
    }
    url(ENDPOINT_URL)
}

@Serializable
data class Preference(
    val id: Int,
    val name: String,
    val isEnabled: Boolean
)