public async Task ParseAndValidateAsync()
{
_parserService.ParseAndValidate(Environment.GetCommandLineArgs());
var commandArgData = _parserService.GetArgumentValue(_commandArg);
var command = commandArgData.GetValue <string>().ToLower();
var ospCommand = _commands.FirstOrDefault(c => c.CommandValue.ToLower() == command);
if (ospCommand == null)
{
throw new InvalidProgramException($"Command value '{command}' is invalid.");
}
await ospCommand.PreValidate();
await ospCommand.Execute();
}
