anchor.diff:      this.client = client;
   
       this.nickname = this.map['nickname'] = data['nick'];
  -    this.joinedAt = this.map['joinedAt'] = data['joined_at'];
  +    this.joinedAt = this.map['joinedAt'] = DateTime.parse(data['joined_at']);
       this.deaf = this.map['deaf'] = data['deaf'];
       this.mute = this.map['mute'] = data['mute'];
       this.roles = this.map['roles'] = data['roles'];
  
positive.code:   String nickname;
  
    /// When the member joined the guild.
    String joinedAt;
  
    /// Weather or not the member is deafened.
    bool deaf;
  
negative.code: import '../../discord.dart';
  
  /// A guild member.
  class Member extends User {
    User _user;
  
    /// The client.
  