CPDFLinkAnnotation.fromJson constructor 
    
      
      CPDFLinkAnnotation.fromJson(
 - Map<String, dynamic> json
) 
    
    
  Implementation
  factory CPDFLinkAnnotation.fromJson(Map<String, dynamic> json) {
  final common = CPDFAnnotation.fromJson(json);
  return CPDFLinkAnnotation(
      type: common.type,
      title: common.title,
      page: common.page,
      content: common.content,
      uuid: common.uuid,
      createDate: common.createDate,
      rect: common.rect,
      action: json['action'] != null
          ? CPDFAction.fromJson(
              Map<String, dynamic>.from(json['action'] ?? {}))
          : null);
}