/// <summary>
/// Handle command by putting it to the command source for asynchronous processing.
/// </summary>
/// <param name="command">Command to handle.</param>
/// <param name="cancellationToken">Cancellation token. This is ignored.</param>
/// <returns>Completed task.</returns>
Task ICommandAsyncHandler <TCommand> .HandleAsync(TCommand command, CancellationToken cancellationToken)
{
return(_internalCommandSource.Receive(command));
}