Index: iknow-api/Services/Interfaces/IRefreshTokenService.cs
===================================================================
--- iknow-api/Services/Interfaces/IRefreshTokenService.cs	(revision 93c368a431f87f49f4df37ae7c04be95baf7f484)
+++ iknow-api/Services/Interfaces/IRefreshTokenService.cs	(revision 93c368a431f87f49f4df37ae7c04be95baf7f484)
@@ -0,0 +1,10 @@
+using iknow_api.DTOs;
+
+namespace iknow_api.Services
+{
+    public interface IRefreshTokenService
+    {
+        Task<bool> VerifyRefreshToken(VerifyRefreshTokenDto refreshTokenDto);
+        Task<string> GenerateRefreshToken(int userid);
+    }
+}