-import org.springframework.security.Authentication;
-import org.springframework.security.AuthenticationManager;
-import org.springframework.security.GrantedAuthority;
-import org.springframework.security.GrantedAuthorityImpl;
-import org.springframework.security.context.SecurityContextHolder;
-import org.springframework.security.providers.UsernamePasswordAuthenticationToken;
-import org.springframework.security.providers.anonymous.AnonymousAuthenticationToken;
-import org.springframework.security.userdetails.User;
-import org.springframework.security.userdetails.UserDetails;
+import org.springframework.security.authentication.AnonymousAuthenticationToken;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;