Index: iknow-api/Repository/Interface/IRefreshTokenRepository.cs
===================================================================
--- iknow-api/Repository/Interface/IRefreshTokenRepository.cs	(revision 1b20b226a74790f84dc06dc488f4f761b510a3f2)
+++ iknow-api/Repository/Interface/IRefreshTokenRepository.cs	(revision 1b20b226a74790f84dc06dc488f4f761b510a3f2)
@@ -0,0 +1,12 @@
+using iknow_api.DTOs;
+using iknow_api.Models;
+namespace iknow_api.Repositories{
+    public interface IRefreshTokenRepository
+    {
+        Task AddTokenAsync(RefreshToken refreshToken);
+        Task<bool> VerifyTokenAsync(VerifyRefreshTokenDto refreshTokenDto);
+        Task<bool> DeleteTokenAsync(string refreshTokenDto);
+        Task<int?> GetUserId(string refreshTokenDto);
+        
+    }
+}