/// <summary>
 /// Creates the body content for a refresh token flow request
 /// </summary>
 /// <param name="refreshtoken">Refresh token</param>
 public RefreshTokenBodyContent(RefreshToken refreshtoken)
     : base(new[]
     {
         new KeyValuePair<string, string>("grant_type", "refresh_token"),
         new KeyValuePair<string, string>("refresh_token",refreshtoken.Token),
     })
 { }
 public DineroSettings(ClientCredentials client, RefreshToken refreshToken)
     : this(client,
             new DineroOauth2Client.RefreshTokenBodyContent(refreshToken))
 {
 }