--- /dev/null
+<?php
+
+namespace Drupal\user;
+
+use Drupal\Core\Entity\ContentEntityStorageInterface;
+use Drupal\Core\Session\AccountInterface;
+
+/**
+ * Defines an interface for user entity storage classes.
+ */
+interface UserStorageInterface extends ContentEntityStorageInterface {
+
+ /**
+ * Update the last login timestamp of the user.
+ *
+ * @param \Drupal\user\UserInterface $account
+ */
+ public function updateLastLoginTimestamp(UserInterface $account);
+
+ /**
+ * Update the last access timestamp of the user.
+ *
+ * @param \Drupal\Core\Session\AccountInterface $account
+ * The user object.
+ * @param int $timestamp
+ * The last access timestamp.
+ */
+ public function updateLastAccessTimestamp(AccountInterface $account, $timestamp);
+
+ /**
+ * Delete role references.
+ *
+ * @param array $rids
+ * The list of role IDs being deleted. The storage should
+ * remove permission and user references to this role.
+ */
+ public function deleteRoleReferences(array $rids);
+
+}