-import org.springframework.security.Authentication;
-import org.springframework.security.GrantedAuthority;
-import org.springframework.security.GrantedAuthorityImpl;
-import org.springframework.security.userdetails.UserDetails;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;