dispose method
void
dispose()
释放全部轮询任务与广播流控制器。
Implementation
void dispose() {
_cancelGroupRefresh();
_cancelHelperWatch();
_cancelLogSubscribe();
_proxyStateStreamController?.close();
_proxyStateStreamController = null;
_clashModeStreamController?.close();
_clashModeStreamController = null;
_clientGroupStreamController?.close();
_clientGroupStreamController = null;
_logStreamController?.close();
_logStreamController = null;
}