prettyPrint 
  Specifies whether resulting JSON should be pretty-printed: formatted and optimized for human readability. false by default.
Example of usage:
@Serializable
class Key(val type: String, val opens: String)
val pretty = Json { prettyPrint = true }
/*
 * Prints
 * {
 *     "type": "keycard",
 *     "opens": "secret door"
 * }
 */
println(pretty.encodeToString(Key("keycard", "secret door")))Content copied to clipboard