Transport.kt

interface Transport{
    fun <T : Resource> get(kind: Kind, name: String): T?
    fun <T : Resource> list(kind: Kind): List<T>
}

class HTTPTransport : Transport {

    override fun <T : Resource> get(kind: Kind, name: String): T? {
        return null
    }

    override fun <T : Resource> list(kind: Kind): List<T> {
        return listOf()
    }

}

class HTTPClient<T : Resource>(
        val transport: Transport,
        val kind: Kind) {

    fun <T : Resource> get(name: String): T? {
        return transport.get<T>(kind = kind, name = name)
    }
    
}