/// <summary>Resolves an URL reference.</summary>
/// <param name="url">The URL.</param>
/// <exception cref="NotSupportedException">The HttpClient.GetAsync API is not available on this platform.</exception>
public virtual async Task <IJsonReference> ResolveUrlReferenceAsync(string url)
{
return(await JsonSchema4.FromUrlAsync(url, schema => this).ConfigureAwait(false));
}
