IntlBreakIterator::create methods cannot returns null

Author: VincentLanglet

ext/intl/breakiterator/breakiterator.stub.php

@@ -105,22 +105,22 @@ class IntlBreakIterator implements IteratorAggregate
     public const SENTENCE_SEP_LIMIT = UNKNOWN;
 
     /** @tentative-return-type */
-    public static function createCharacterInstance(?string $locale = null): ?IntlBreakIterator {}
+    public static function createCharacterInstance(?string $locale = null): IntlBreakIterator {}
 
     /** @tentative-return-type */
     public static function createCodePointInstance(): IntlCodePointBreakIterator {}
 
     /** @tentative-return-type */
-    public static function createLineInstance(?string $locale = null): ?IntlBreakIterator {}
+    public static function createLineInstance(?string $locale = null): IntlBreakIterator {}
 
     /** @tentative-return-type */
-    public static function createSentenceInstance(?string $locale = null): ?IntlBreakIterator {}
+    public static function createSentenceInstance(?string $locale = null): IntlBreakIterator {}
 
     /** @tentative-return-type */
-    public static function createTitleInstance(?string $locale = null): ?IntlBreakIterator {}
+    public static function createTitleInstance(?string $locale = null): IntlBreakIterator {}
 
     /** @tentative-return-type */
-    public static function createWordInstance(?string $locale = null): ?IntlBreakIterator {}
+    public static function createWordInstance(?string $locale = null): IntlBreakIterator {}
 
     private function __construct() {}