Maestro

package maestro.utils interface Insights { fun report(insight: Insight) fun onInsightsUpdated(callback: (Insight) -> Unit) fun unregisterListener(callback: (Insight) -> Unit) } object NoopInsights: Insights { override fun report(insight: Insight) { /* no-op */ } override fun onInsightsUpdated(callback: (Insight) -> Unit) { /* no-op */ } override fun unregisterListener(callback: (Insight) -> Unit) { /* no-op */ } } data class Insight( val message: String, val level: Level ) { enum class Level { WARNING, INFO, NONE } }