buildArk

val ark = buildArk(0.ID) {
    kvs { // 增加kvs
        kv("Key1", "value") // kv
        kv("Key2", "value2") {
            obj() // empty obj -> { "objKv": [] }
            obj {
                kv("objKey1", "valueA")
                kv("objKey2", "valueB")
            }
        }
    }
 }