ActivitySubscription constructor 
    
      
  
    
        - @JsonSerializable.new(includeIfNull: false)
 const
      
ActivitySubscription(
{ - @Default.new('app.bsky.notification.defs#activitySubscription') String $type, 
- required bool post, 
- required bool reply, 
- Map<String, dynamic>? $unknown, 
}) 
    
    
  Implementation
  @JsonSerializable(includeIfNull: false)
const factory ActivitySubscription({
  @Default('app.bsky.notification.defs#activitySubscription') String $type,
  required bool post,
  required bool reply,
  Map<String, dynamic>? $unknown,
}) = _ActivitySubscription;