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 #2145633 by Jose Reyero, Gábor Hojtsy | YesCT: Use standard discovery facility in TypedConfigManager instead of one-off implementation.