toJson method
Implementation
Map<String, dynamic> toJson() => {
if (clientId != null) 'client_id': clientId,
if (authorizationEndpoint != null) 'authorization_endpoint': authorizationEndpoint,
if (tokenEndpoint != null) 'token_endpoint': tokenEndpoint,
if (clientSecret != null) 'client_secret': clientSecret,
if (noPkce != null) 'no_pkce': noPkce,
if (scopes != null) 'scopes': scopes,
};