public static bool HasHeaders(this HttpRequestMessage request)
{
// Note: The field name is _headers in .NET core
string headersFieldName = RuntimeUtils.IsDotNetFramework() ? "headers" : "_headers";
FieldInfo headersField = typeof(HttpRequestMessage).GetField(headersFieldName, BindingFlags.Instance | BindingFlags.NonPublic);
HttpRequestHeaders headers = (HttpRequestHeaders)headersField.GetValue(request);
return(headers != null);
}