Projection.fromJson constructor
      
      Projection.fromJson(
    
    
- Map json_
Implementation
Projection.fromJson(core.Map json_)
  : this(
      property:
          json_.containsKey('property')
              ? PropertyReference.fromJson(
                json_['property'] as core.Map<core.String, core.dynamic>,
              )
              : null,
    );