in src/Amazon.Extensions.Configuration.SystemsManager/SystemsManagerExtensions.cs [139:144]
public static IConfigurationBuilder AddSystemsManager(this IConfigurationBuilder builder, string path, TimeSpan reloadAfter)
{
if (path == null) throw new ArgumentNullException(nameof(path));
return builder.AddSystemsManager(ConfigureSource(path, null, reloadAfter: reloadAfter));
}