Merge branch '7.4' into 8.0

* 7.4:
  [Validator][Serializer] Make internal properties private
  [VarExporter] Fix serializing classes with __serialize() returning unprefixed private properties
  Remove direct access to internal properties cross-components
  remove deprecated nullable option from primary key columns
  [Validator] Optimize serialized metadata and cleanup tests
  specific fix to avoid 'outag' when inflecting 'outages'
  Use <info> for options in command description
  [ObjectMapper] Remove obsolete TODO
  [HttpFoundation][HttpKernel][WebProfilerBundle] Add support for the `QUERY` HTTP method
  [DependencyInjection] Don’t autowire excluded services
  Add bool return type to CustomCredentials callable parameter
  [Process] Enhance hasSystemCallBeenInterrupted function for non-english locale
  [FrameworkBundle] Make `cache:warmup` warm up read-only caches

Author: nicolas-grekas

Inflector/EnglishInflector.php

@@ -166,6 +166,9 @@ final class EnglishInflector implements InflectorInterface
         // edges (edge)
         ['segd', 4, true, true, 'dge'],
 
+        // outages (outage) - specific fix to avoid 'outag'
+        ['segatuo', 7, true, true, 'outage'],
+
         // roses (rose), garages (garage), cassettes (cassette),
         // waltzes (waltz), heroes (hero), bushes (bush), arches (arch),
         // shoes (shoe)

Tests/Inflector/EnglishInflectorTest.php

@@ -125,6 +125,7 @@ public static function singularizeProvider()
             ['news', 'news'],
             ['oases', ['oas', 'oase', 'oasis']],
             ['objectives', 'objective'],
+            ['outages', 'outage'],
             ['oxen', 'ox'],
             ['parties', 'party'],
             ['people', 'person'],