/// <exclude /> public List <PackageFragmentValidationResult> Validate() { Verify.IsNotNull(_packageInstaller, "Pre installation did not validate"); Verify.IsNull(_validationResult, "Validate() may only be called once"); _validationResult = _packageInstaller.Validate().ToList(); if (_validationResult.Count > 0) { _validationResult.AddRange(FinalizeProcess(false)); } return(_validationResult); }