internal static string LifestyleMismatchesReported(LifestyleMismatchDiagnosticResult error) => 
     string.Format(CultureInfo.InvariantCulture,
         "A lifestyle mismatch is encountered. {0} Lifestyle mismatches can cause concurrency " +
         "bugs in your application. Please see https://simpleinjector.org/dialm to understand this " +
         "problem and how to solve it.",
         error.Description);
 private static string Actual(LifestyleMismatchDiagnosticResult[] results)
 {
     return "actual: " + string.Join(" - ", results.Select(r => r.Description));
 }