duration
A duration, written as Kotlin writes one (500ms, 5s, 1m 30s), in ISO-8601 (PT5S), or as a bare number of milliseconds (500), as a Spring Duration property reads it; missing when it is not set.
fun duration(key: String, description: String, default: Duration): ProviderOption.Defaulted<Duration>
A duration, as duration reads one, default when it is not set.