-import org.springframework.security.Authentication;
-import org.springframework.security.GrantedAuthority;
-import org.springframework.security.context.SecurityContextHolder;
-import org.springframework.security.providers.encoding.PasswordEncoder;
-import org.springframework.security.userdetails.UserDetails;
-import org.springframework.security.userdetails.ldap.LdapUserDetailsManager;
+import org.springframework.security.authentication.encoding.PasswordEncoder;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.ldap.userdetails.LdapUserDetailsManager;