Plans constructor

Plans({
  1. String? planId,
  2. Duration? planDuration,
  3. Duration? sandBoxDuration,
})

Implementation

Plans({
    String? planId,
    Duration? planDuration,
    Duration? sandBoxDuration,}){
  _planId = planId;
  _planDuration = planDuration;
  _sandBoxDuration = sandBoxDuration;
}