package application.model
  
  import kotlin.properties.Delegates

  class ObservableMapState {

      val listeners: MutableList<StateListener> = mutableListOf()

      var state: MapState by Delegates.observable(
          initialValue = MapState.CLUSTERED_MESSAGES,

          onChange = { _, _, new ->
              run {
                  listeners.forEach {
                      it.onValueChanged(new)
                  }
              }
          }
      )
  }