Backup constructor
      
      Backup({ 
    
    
- AlloyDbClusterBackupProperties? alloyDbBackupProperties,
 - BackupApplianceBackupProperties? backupApplianceBackupProperties,
 - List<
BackupLock> ? backupApplianceLocks, - String? backupType,
 - CloudSqlInstanceBackupProperties? cloudSqlInstanceBackupProperties,
 - ComputeInstanceBackupProperties? computeInstanceBackupProperties,
 - String? consistencyTime,
 - String? createTime,
 - String? description,
 - DiskBackupProperties? diskBackupProperties,
 - String? enforcedRetentionEndTime,
 - String? etag,
 - String? expireTime,
 - GCPBackupPlanInfo? gcpBackupPlanInfo,
 - Map<
String, String> ? labels, - String? name,
 - String? resourceSizeBytes,
 - bool? satisfiesPzi,
 - bool? satisfiesPzs,
 - List<
BackupLock> ? serviceLocks, - String? state,
 - String? updateTime,
 
Implementation
Backup({
  this.alloyDbBackupProperties,
  this.backupApplianceBackupProperties,
  this.backupApplianceLocks,
  this.backupType,
  this.cloudSqlInstanceBackupProperties,
  this.computeInstanceBackupProperties,
  this.consistencyTime,
  this.createTime,
  this.description,
  this.diskBackupProperties,
  this.enforcedRetentionEndTime,
  this.etag,
  this.expireTime,
  this.gcpBackupPlanInfo,
  this.labels,
  this.name,
  this.resourceSizeBytes,
  this.satisfiesPzi,
  this.satisfiesPzs,
  this.serviceLocks,
  this.state,
  this.updateTime,
});