/// <summary>
/// Gets the <see cref="CommandHandler"/> associated with the specified <paramref name="command"/>.
/// </summary>
/// <param name="command">The command for which to retrieve a <see cref="CommandHandler"/> instance.</param>
public CommandHandler GetHandlerFor(Command command)
{
Verify.NotNull(command, nameof(command));
CommandHandler commandHandler;
Type commandType = command.GetType();
if (!knownCommandHandlers.TryGetValue(commandType, out commandHandler))
throw new MappingException(Exceptions.CommandHandlerNotFound.FormatWith(commandType));
return commandHandler;
}