Source generator fails with entities marked with '@' #207

public static class EventExtensions
{    
    [Projectable(NullConditionalRewriteSupport = NullConditionalRewriteSupport.Rewrite)]
    public static Event ToEvent(this @event a) => new Event
    {
        id = a.id,
        name = a.name,
        branch = a.branch.ToBranch(),
        logo = a.logo?.ToLogo(),
        rooms = a.rooms
            .Select(a => a.ToRoomBasic())
            .ToList(),
        start_at = a.start_at,
        created_at = a.created_at,
        updated_at = a.updated_at
    };
}