Cluster constructor
      
      Cluster({ 
    
    
- int? activeServicesCount,
- List<Attachment> ? attachments,
- String? attachmentsStatus,
- List<String> ? capacityProviders,
- String? clusterArn,
- String? clusterName,
- List<CapacityProviderStrategyItem> ? defaultCapacityProviderStrategy,
- int? pendingTasksCount,
- int? registeredContainerInstancesCount,
- int? runningTasksCount,
- List<ClusterSetting> ? settings,
- List<KeyValuePair> ? statistics,
- String? status,
- List<Tag> ? tags,
Implementation
Cluster({
  this.activeServicesCount,
  this.attachments,
  this.attachmentsStatus,
  this.capacityProviders,
  this.clusterArn,
  this.clusterName,
  this.defaultCapacityProviderStrategy,
  this.pendingTasksCount,
  this.registeredContainerInstancesCount,
  this.runningTasksCount,
  this.settings,
  this.statistics,
  this.status,
  this.tags,
});