public static IServiceCollection AddHealth(this IServiceCollection services, Action <HealthCheckBuilder> configureBuilder)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
services.AddHealth();
var builder = new HealthCheckBuilder(services);
configureBuilder(builder);
services.AddSingleton <IHealthCheckPolicyProvider>(new DefaultHealthCheckPolicyProvider(builder.Build()));
return(services);
}