phpdoc: cleanup of inline-arrays and param doc

� Conflicts:
�	src/Repository/UserRepository.php

src/Repository/UserRepository.php

@@ -17,27 +17,38 @@ public static function getSelectableCBManagers() {
 		return get_users( [ 'role__in' => self::getManagerRoles() ] );
 	}
 
+	/**
+	 * Returns all valid roles that are considered by CommonsBooking as "Manager" roles.
+	 *
+	 * @return string[]
+	 */
 	public static function getManagerRoles(): array {
+		$manager_roles = [ Plugin::$CB_MANAGER_ID ];
 		/**
 		 * Default list of manager roles
 		 *
-		 * @since 2.8.3
+		 * @since 2.9.0
+		 *
+		 * @param string[] $manager_roles list of allowed manager roles that is returned by {@see UserRepository::getManagerRoles()}
 		 */
-		return apply_filters( 'commonsbooking_manager_roles', [ Plugin::$CB_MANAGER_ID ] );
+		return apply_filters( 'commonsbooking_manager_roles', $manager_roles );
 	}
 
 	/**
-	 * Will get all roles that are considered by CommonsBooking as "Administrator" roles
+	 * Returns all roles that are considered by CommonsBooking as "Administrator" roles.
 	 *
-	 * @return array
+	 * @return string[]
 	 */
 	public static function getAdminRoles(): array {
+		$admin_roles = [ 'administrator' ];
 		/**
 		 * Default list of admin roles
 		 *
 		 * @since 2.8.3
+		 *
+		 * @param string[] $admin_roles list of allowed admin roles that are returned by {@see UserRepository::getAdminRoles()}
 		 */
-		return apply_filters( 'commonsbooking_admin_roles', [ 'administrator' ] );
+		return apply_filters( 'commonsbooking_admin_roles', $admin_roles );
 	}
 
 	/**