Microsoft.WindowsAzure.Commands.Utilities.Common.Authentication.AdalTokenProvider.GetRefreshToken C# (CSharp) Method

        private string GetRefreshToken(AdalAccessToken token)
        {
#if DEBUG
            if (Environment.GetEnvironmentVariable("FORCE_EXPIRED_REFRESH_TOKEN") != null)
            {
                // We can't force an expired refresh token, so provide a garbage one instead
                const string fakeToken = "This is not a valid refresh token";
                return Convert.ToBase64String(Encoding.ASCII.GetBytes(fakeToken));
            }
#endif
            return token.AuthResult.RefreshToken;
        }