diff --git a/apps/user_ldap/lib/User_LDAP.php b/apps/user_ldap/lib/User_LDAP.php
index 79f230ae00..12d93ce5c8 100644
--- a/apps/user_ldap/lib/User_LDAP.php
+++ b/apps/user_ldap/lib/User_LDAP.php
@@ -133,7 +133,7 @@ class User_LDAP extends BackendUtility implements \OCP\IUserBackend, \OCP\UserIn
 			return false;
 		}
 	}
-	
+
 	/**
 	 * returns the username for the given LDAP DN, if available
 	 *
@@ -502,8 +502,8 @@ class User_LDAP extends BackendUtility implements \OCP\IUserBackend, \OCP\UserIn
 	 * Get a list of all display names
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {
@@ -574,7 +574,7 @@ class User_LDAP extends BackendUtility implements \OCP\IUserBackend, \OCP\UserIn
 	public function getBackendName() {
 		return 'LDAP';
 	}
-	
+
 	/**
 	 * Return access for LDAP interaction.
 	 * @param string $uid
@@ -583,7 +583,7 @@ class User_LDAP extends BackendUtility implements \OCP\IUserBackend, \OCP\UserIn
 	public function getLDAPAccess($uid) {
 		return $this->access;
 	}
-	
+
 	/**
 	 * Return LDAP connection resource from a cloned connection.
 	 * The cloned connection needs to be closed manually.
diff --git a/apps/user_ldap/lib/User_Proxy.php b/apps/user_ldap/lib/User_Proxy.php
index e8d0a6d694..532d8ff4cb 100644
--- a/apps/user_ldap/lib/User_Proxy.php
+++ b/apps/user_ldap/lib/User_Proxy.php
@@ -292,8 +292,8 @@ class User_Proxy extends Proxy implements \OCP\IUserBackend, \OCP\UserInterface,
 	 * Get a list of all display names and user ids.
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index 3a7cbec617..86d24ad031 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -950,6 +950,7 @@ return array(
     'OC\\Core\\Migrations\\Version21000Date20201202095923' => $baseDir . '/core/Migrations/Version21000Date20201202095923.php',
     'OC\\Core\\Migrations\\Version21000Date20210119195004' => $baseDir . '/core/Migrations/Version21000Date20210119195004.php',
     'OC\\Core\\Migrations\\Version21000Date20210309185126' => $baseDir . '/core/Migrations/Version21000Date20210309185126.php',
+    'OC\\Core\\Migrations\\Version21000Date20210309185127' => $baseDir . '/core/Migrations/Version21000Date20210309185127.php',
     'OC\\Core\\Migrations\\Version22000Date20210216080825' => $baseDir . '/core/Migrations/Version22000Date20210216080825.php',
     'OC\\Core\\Notification\\CoreNotifier' => $baseDir . '/core/Notification/CoreNotifier.php',
     'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 856ef60eef..5cf2b9a2cb 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -979,6 +979,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Core\\Migrations\\Version21000Date20201202095923' => __DIR__ . '/../../..' . '/core/Migrations/Version21000Date20201202095923.php',
         'OC\\Core\\Migrations\\Version21000Date20210119195004' => __DIR__ . '/../../..' . '/core/Migrations/Version21000Date20210119195004.php',
         'OC\\Core\\Migrations\\Version21000Date20210309185126' => __DIR__ . '/../../..' . '/core/Migrations/Version21000Date20210309185126.php',
+        'OC\\Core\\Migrations\\Version21000Date20210309185127' => __DIR__ . '/../../..' . '/core/Migrations/Version21000Date20210309185127.php',
         'OC\\Core\\Migrations\\Version22000Date20210216080825' => __DIR__ . '/../../..' . '/core/Migrations/Version22000Date20210216080825.php',
         'OC\\Core\\Notification\\CoreNotifier' => __DIR__ . '/../../..' . '/core/Notification/CoreNotifier.php',
         'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',
diff --git a/lib/private/User/Backend.php b/lib/private/User/Backend.php
index c87dc5d2d5..d70d13673c 100644
--- a/lib/private/User/Backend.php
+++ b/lib/private/User/Backend.php
@@ -143,8 +143,8 @@ abstract class Backend implements UserInterface {
 	 * Get a list of all display names and user ids.
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {
diff --git a/lib/private/User/Database.php b/lib/private/User/Database.php
index 0534d38fd4..6c04a1b900 100644
--- a/lib/private/User/Database.php
+++ b/lib/private/User/Database.php
@@ -256,8 +256,8 @@ class Database extends ABackend implements
 	 * Get a list of all display names and user ids.
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {
diff --git a/lib/public/UserInterface.php b/lib/public/UserInterface.php
index 0479041e8d..42a18cca10 100644
--- a/lib/public/UserInterface.php
+++ b/lib/public/UserInterface.php
@@ -92,8 +92,8 @@ interface UserInterface {
 	 * Get a list of all display names and user ids.
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 * @since 4.5.0
 	 */