toJson method
Implementation
Map<String, dynamic> toJson() => {
'access_token': accessToken,
'token_type': tokenType,
if (refreshToken != null) 'refresh_token': refreshToken,
if (idToken != null) 'id_token': idToken,
if (accessTokenExpiration != null)
'expires_at': accessTokenExpiration!.toIso8601String(),
if (scopes.isNotEmpty) 'scope': scopes.join(' '),
};