public SearchResult Search(string input)
{
var searchInput = _caseSensitive ? input : input.ToLowerInvariant();
var matches = _map.GetCommands(searchInput).OrderByDescending(x => x.Command.Priority).ToImmutableArray();
if (matches.Length > 0)
{
return(SearchResult.FromSuccess(input, matches));
}
return(SearchResult.FromError(CommandError.UnknownCommand, "Unknown command."));
}