Rollout constructor
      
      Rollout({ 
    
    
- String? activeRepairAutomationRun,
- Map<String, String> ? annotations,
- String? approvalState,
- String? approveTime,
- String? controllerRollout,
- String? createTime,
- String? deployEndTime,
- String? deployFailureCause,
- String? deployStartTime,
- String? deployingBuild,
- String? description,
- String? enqueueTime,
- String? etag,
- String? failureReason,
- Map<String, String> ? labels,
- Metadata? metadata,
- String? name,
- List<Phase> ? phases,
- String? rollbackOfRollout,
- List<String> ? rolledBackByRollouts,
- String? state,
- String? targetId,
- String? uid,
Implementation
Rollout({
  this.activeRepairAutomationRun,
  this.annotations,
  this.approvalState,
  this.approveTime,
  this.controllerRollout,
  this.createTime,
  this.deployEndTime,
  this.deployFailureCause,
  this.deployStartTime,
  this.deployingBuild,
  this.description,
  this.enqueueTime,
  this.etag,
  this.failureReason,
  this.labels,
  this.metadata,
  this.name,
  this.phases,
  this.rollbackOfRollout,
  this.rolledBackByRollouts,
  this.state,
  this.targetId,
  this.uid,
});