toJson method
Implementation
Map toJson() => {
'client_id': client_id,
'client_secret': client_secret,
'grant_type': grant_type,
'refresh_token': refresh_token,
};
Map toJson() => {
'client_id': client_id,
'client_secret': client_secret,
'grant_type': grant_type,
'refresh_token': refresh_token,
};