Credentials.fromMap constructor
Implementation
factory Credentials.fromMap(Map<String, dynamic> json) {
return Credentials(
accessKeyId: json['access_key_id'] as String,
accessKeySecret: json['access_key_secret'] as String,
securityToken: json['security_token'] as String,
expiration: json['expiration'] != null
? DateTime.parse(json['expiration'] as String)
: null,
);
}