Index: iknow-api/Services/Interfaces/IRefreshTokenService.cs
===================================================================
--- iknow-api/Services/Interfaces/IRefreshTokenService.cs	(revision 3347c1b709ebb3bce2d308c2a77f0e13470fc799)
+++ iknow-api/Services/Interfaces/IRefreshTokenService.cs	(revision 3347c1b709ebb3bce2d308c2a77f0e13470fc799)
@@ -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);
+    }
+}