send method
Verify settings variables and inherith values
@param method @param params @return
Implementation
Future<Response> send(String method, Map<String, dynamic> params) async {
if (settings.auth_key == null || settings.auth_hash == null) {
throw InvalidCredentialsException();
}
final Map<String, dynamic>? result =
await ServiceBehaviour.channel.invokeMapMethod(method, params);
return parseResponse(result!['response'], int.parse(result['status']));
}