ReboundEmulator/Core/Rooms/GameRoomAttribute.cs

namespace ReboundEmulator.Core.Rooms
{
    [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
    public sealed class GameRoomAttribute(string gameCode, string? opPrefix = null) : Attribute
    {
        public string GameCode { get; } = gameCode;
        public string? OpPrefix { get; init; } = opPrefix;
    }
}