Index: iknow-api/Repository/Interface/IRefreshTokenRepository.cs
===================================================================
--- iknow-api/Repository/Interface/IRefreshTokenRepository.cs	(revision 10009b9505124c201c365c19c07a9df40b091035)
+++ iknow-api/Repository/Interface/IRefreshTokenRepository.cs	(revision 10009b9505124c201c365c19c07a9df40b091035)
@@ -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);
+        
+    }
+}