/// <summary>
/// Matches a request by HTTP method.
/// </summary>
/// <param name="builder">The request matching builder instance.</param>
/// <param name="httpMethod">The HTTP method.</param>
/// <returns>The request matching builder instance.</returns>
public static RequestMatching Method(this RequestMatching builder, string httpMethod)
{
if (httpMethod is null)
{
throw new ArgumentNullException(nameof(httpMethod));
}
return(builder.Method(new HttpMethod(httpMethod)));
}