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How to write an "add" method Novice public static int Add(int a, int b) Beginner public static double Add(double a, double b) Advanced public static T AddT(T a, T b) where T: INumberT Junior developer public static T AddT (T a, T b, double accuracy, bool throwIfNegative) where T : INumberHolderT, bool Senior developer public static AddResult AddT (NumberHolderBase a, NumberHolderBase b, accuracy. FuncT, Exception negativeExceptionGenerator, bool reloadCategories) Senior software architect public static OperationResultBaseNumberHolderBase, bool, AzureConnector AddT, TSq1( ConvertableBaseint, string, string a, ConvertableBaseint, string, string b, AdditionContextT ctx, Actiondouble, int deviationHandler, FuncTSql, string emailAddressesProviderFunc, CancellationToken ct)