/// <summary>
/// Internal function to prepare the request to be executed
/// </summary>
/// <param name="request">EasyPost request to be executed</param>
/// <returns>RestSharp request to execute</returns>
internal RestRequest PrepareRequest(
EasyPostRequest request)
{
var restRequest = RestClient.AddAuthorizationToRequest(request);
restRequest.AddHeader("user_agent", string.Concat("EasyPost/CSharpASync/", Version));
restRequest.AddHeader("content_type", "application/x-www-form-urlencoded");
return(restRequest);
}