BucketOwner.fromJson constructor
      
      BucketOwner.fromJson(
    
    
- Map json_
 
Implementation
BucketOwner.fromJson(core.Map json_)
    : this(
        entity: json_.containsKey('entity')
            ? json_['entity'] as core.String
            : null,
        entityId: json_.containsKey('entityId')
            ? json_['entityId'] as core.String
            : null,
      );