UserModel.fromMap constructor
Implementation
factory UserModel.fromMap(Map<String, dynamic> map) {
return UserModel(
uid: map['uid'] != null ? map['uid'] as String : null,
email: map['email'] != null ? map['email'] as String : null,
username: map['username'] != null ? map['username'] as String : null,
claims: map['claims'] != null ? map['claims'] as UserClaims : null,
);
}