Inheritance: LaunchGameWithSteamInfo
 public Task<Process> LaunchInternal(LaunchGameWithSteamLegacyInfo info) {
     throw new NotImplementedException();
 }
 public Task<Process> LaunchInternal(LaunchGameWithSteamLegacyInfo info) => PerformUpdaterAction(info,
     new SULaunchGameSteamLegacyArgumentsBuilder(info, GetAndValidateSteamPath(info.SteamDRM))
         .Build());
 public SULaunchGameSteamLegacyArgumentsBuilder(LaunchGameWithSteamLegacyInfo spec,
     IAbsoluteDirectoryPath steamPath)
     : base(spec, steamPath) {}