data class Pair(val key: String, val value: String)

data class Test(val pairs: Array<Pair>)

fun main(args: Array<String>) {
    println("VR client startup...")
    val test: Test = JSON.parse("{\"pairs\": [{\"key\":\"ka\", \"value\":\"va\"}, {\"key\":\"kb\", \"value\":\"vb\"}, {\"key\":\"kc\", \"value\":\"vc\"}]}")
    println(test.pairs[0].key + "=" + test.pairs[0].value)
    println(test.pairs[1].key + "=" + test.pairs[1].value)
    println(test.pairs[2].key + "=" + test.pairs[2].value)
    val testJson = JSON.stringify(test)
    println(testJson)