kotlin-stdlib / kotlin.time / milliseconds milliseconds Common JVM JS Native 1.3 @ExperimentalTime @DeprecatedSinceKotlin("1.5", "1.8") val Int.milliseconds: Duration(source) Deprecated: Use 'Int.milliseconds' extension property from Duration.Companion instead. Returns a Duration equal to this Int number of milliseconds. Common JVM JS Native 1.3 @ExperimentalTime @DeprecatedSinceKotlin("1.5", "1.8") val Long.milliseconds: Duration(source) Deprecated: Use 'Long.milliseconds' extension property from Duration.Companion instead. Returns a Duration equal to this Long number of milliseconds. Common JVM JS Native 1.3 @ExperimentalTime @DeprecatedSinceKotlin("1.5", "1.8") val Double.milliseconds: Duration(source) Deprecated: Use 'Double.milliseconds' extension property from Duration.Companion instead. Returns a Duration equal to this Double number of milliseconds. Exceptions IllegalArgumentException - if this Double value is NaN.