Add return types - batch 1/n

Author: nicolas-grekas

Data/Bundle/Reader/BundleEntryReaderInterface.php

@@ -50,5 +50,5 @@ interface BundleEntryReaderInterface extends BundleReaderInterface
      *
      * @throws MissingResourceException If the indices cannot be accessed
      */
-    public function readEntry(string $path, string $locale, array $indices, bool $fallback = true);
+    public function readEntry(string $path, string $locale, array $indices, bool $fallback = true): mixed;
 }

Data/Bundle/Reader/BundleReaderInterface.php

@@ -24,5 +24,5 @@ interface BundleReaderInterface
      * @return mixed returns an array or {@link \ArrayAccess} instance for
      *               complex data, a scalar value otherwise
      */
-    public function read(string $path, string $locale);
+    public function read(string $path, string $locale): mixed;
 }

Util/IcuVersion.php

@@ -50,7 +50,7 @@ class IcuVersion
      *
      * @see normalize()
      */
-    public static function compare(string $version1, string $version2, string $operator, int $precision = null)
+    public static function compare(string $version1, string $version2, string $operator, int $precision = null): bool
     {
         $version1 = self::normalize($version1, $precision);
         $version2 = self::normalize($version2, $precision);
@@ -83,7 +83,7 @@ public static function compare(string $version1, string $version2, string $opera
      * @return string|null the normalized ICU version or NULL if it couldn't be
      *                     normalized
      */
-    public static function normalize(string $version, ?int $precision)
+    public static function normalize(string $version, ?int $precision): ?string
     {
         $version = preg_replace('/^(\d)\.(\d)/', '$1$2', $version);
 

Util/Version.php

@@ -40,7 +40,7 @@ class Version
      *
      * @see normalize()
      */
-    public static function compare(string $version1, string $version2, string $operator, int $precision = null)
+    public static function compare(string $version1, string $version2, string $operator, int $precision = null): bool
     {
         $version1 = self::normalize($version1, $precision);
         $version2 = self::normalize($version2, $precision);
@@ -66,7 +66,7 @@ public static function compare(string $version1, string $version2, string $opera
      * @return string|null the normalized version or NULL if it couldn't be
      *                     normalized
      */
-    public static function normalize(string $version, ?int $precision)
+    public static function normalize(string $version, ?int $precision): ?string
     {
         if (null === $precision) {
             return $version;