Issue #2572791 by Mile23, andriyun, attiks, RoSk0: Fix 'Drupal.WhiteSpace.OpenBracketSpacing' coding standard
Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits
Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files
Issue #1750980 by nlisgo: Fixed use Exception; missing in core/lib/Drupal/Core/Utility/UpdateException.php.