/// <summary>
/// Close()
/// </summary>
public async Task Close()
{
if (_channel == null)
{
return;
}
ConnectedCall = null;
await _channel.CloseAsync();
}
/// <summary>
/// Wait for all messages to be sent and close the connection
/// </summary>
/// <returns>Async task</returns>
public async Task CloseAsync()
{
await _channel.CloseAsync();
_channel = null;
}