diff --git a/npm/ng-packs/packages/core/src/lib/abstracts/auth.service.ts b/npm/ng-packs/packages/core/src/lib/abstracts/auth.service.ts
index 8527232d5f..024f4ba413 100644
--- a/npm/ng-packs/packages/core/src/lib/abstracts/auth.service.ts
+++ b/npm/ng-packs/packages/core/src/lib/abstracts/auth.service.ts
@@ -31,7 +31,7 @@ export class AuthService implements IAuthService {
     return of(undefined);
   }
 
-  navigateToLogin(queryParams?: Params): void {}
+  navigateToLogin(queryParams?: Params): void { }
 
   get isInternalAuth(): boolean {
     throw new Error('not implemented');
@@ -50,6 +50,26 @@ export class AuthService implements IAuthService {
     console.log({ grantType, parameters, headers });
     return Promise.reject(new Error('not implemented'));
   }
+
+  getAccessTokenExpiration(): number {
+    this.warningMessage();
+    return 0;
+  }
+
+  getRefreshToken(): string {
+    this.warningMessage();
+    return '';
+  }
+
+  getAccessToken(): string {
+    this.warningMessage();
+    return '';
+  }
+
+  refreshToken(): Promise<AbpAuthResponse> {
+    this.warningMessage();
+    return Promise.resolve(undefined);
+  }
 }
 
 export interface IAuthService {
@@ -70,4 +90,12 @@ export interface IAuthService {
     parameters: object,
     headers?: HttpHeaders,
   ): Promise<AbpAuthResponse>;
+
+  getAccessTokenExpiration(): number;
+
+  getRefreshToken(): string;
+
+  getAccessToken(): string;
+
+  refreshToken(): void;
 }
diff --git a/npm/ng-packs/packages/oauth/src/lib/services/oauth.service.ts b/npm/ng-packs/packages/oauth/src/lib/services/oauth.service.ts
index 2e615c95a5..aea8fa1167 100644
--- a/npm/ng-packs/packages/oauth/src/lib/services/oauth.service.ts
+++ b/npm/ng-packs/packages/oauth/src/lib/services/oauth.service.ts
@@ -83,4 +83,20 @@ export class AbpOAuthService implements IAuthService {
 
     return this.oAuthService.fetchTokenUsingGrant(grantType, p, headers);
   }
+
+  getRefreshToken(): string {
+    return this.oAuthService.getRefreshToken();
+  }
+
+  getAccessToken(): string {
+    return this.oAuthService.getAccessToken();
+  }
+
+  refreshToken(): Promise<AbpAuthResponse> {
+    return this.oAuthService.refreshToken();
+  }
+
+  getAccessTokenExpiration(): number {
+    return this.oAuthService.getAccessTokenExpiration();
+  }
 }