Issue #3225354 by eddie_c, paulocs, Bhanu951, daffie, Spokje, Berdir: Add a clearByPrefix() method to the flood API

Issue #3239746 by alexpott, daffie: \Drupal\Core\Flood\MemoryBackend uses array keys that cause deprecations in PHP 8.1

Issue #2909952 by edwardaa: Flood MemoryBackend::isAllowed() throws exception: 'Undefined index: xxx'

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2719695 by alexpott, Mile23: Fix 'Drupal.Classes.ClassDeclaration.CloseBraceAfterBody' coding standard

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2502621 by Pravin Ajaaz, hussainweb, Peacog, jhodgdon, ivanjaros: Replace implement notes with inheritdoc tag

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #1847768 by rootatwc, tim.plunkett, effulgentsia, Crell, Damien Tournoud: Remove ip_address().