toCli method
Implementation
@override
String toCli() {
final properties = <String>[];
if (start != null) {
properties.add("start='${start!.toSeconds()}'");
}
if (end != null) {
properties.add("end='${end!.toSeconds()}'");
}
if (duration != null) {
properties.add("duration='${duration!.toSeconds()}'");
}
return "trim=${properties.join(':')}";
}