/// <summary> Returns the enumeration item representing selection of all vehicle types under the given branch. </summary>
 /// <param name="branch"> The branch whose vehicle classes to get. </param>
 /// <returns></returns>
 public static EVehicleClass GetAllVehicleClassesItem(this EBranch branch) =>
 branch.CastTo <int>().CastTo <EVehicleClass>();
 public static bool IsValid(this EBranch branch) =>
 branch.CastTo <int>() > EInteger.Number.Nine && !branch.ToString().StartsWith(EWord.All);