/// <summary>
/// Gets a flag that determines whether diagnostic messages will be emitted. If the flag is not present,
/// returns the default value (<c>false</c>).
/// </summary>
public static bool DiagnosticMessagesOrDefault(this _ITestFrameworkDiscoveryOptions discoveryOptions)
{
Guard.ArgumentNotNull(nameof(discoveryOptions), discoveryOptions);
return(discoveryOptions.DiagnosticMessages() ?? false);
}