FrameResource constructor
      
      FrameResource({ 
    
    
- required String url,
- required ResourceType type,
- required String mimeType,
- TimeSinceEpoch? lastModified,
- num? contentSize,
- bool? failed,
- bool? canceled,
Implementation
FrameResource({
  required this.url,
  required this.type,
  required this.mimeType,
  this.lastModified,
  this.contentSize,
  this.failed,
  this.canceled,
});