/// <inheritdoc /> public Task CloseAsync(CancellationToken ct) => SystemWebSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, ct);
/// <inheritdoc /> public Task CloseAsync(Net.CloseStatusCode code, string comment = null, CancellationToken cancellationToken = default) => SystemWebSocket.CloseAsync(MapCloseStatus(code), comment ?? string.Empty, cancellationToken);