init method
Implementation
Future<void> init(
String hubbleUrl,
int hubblePort,
ChannelCredentials? channelCredentials,
) async {
_hubService = HubService();
_adminService = AdminService();
await _hubService.init(hubbleUrl, hubblePort, channelCredentials);
await _adminService.init(hubbleUrl, hubblePort, channelCredentials);
}