```open fun toJson() : JsonObject = JsonObject(map...
# getting-startedh
hackerham
12/21/2016, 11:06 PM Copy code
open fun toJson() : JsonObject = JsonObject(mapOf(
"children" to children.map { it.toJson() }
))hackerham
12/21/2016, 11:06 PMopen fun toJson() : JsonObject = JsonObject(mapOf(
"children" to children.map { it.toJson() }
))