Add native type declarations

UPGRADE.md

@@ -0,0 +1,7 @@
+# Upgrade to 2.0
+
+## Added native type declarations
+
+Some type declarations that required recent PHP versions were added to the
+codebase. This means that some signatures were changed and will have to be
+adjusted in sub-classes.

src/Deprecation.php

@@ -72,11 +72,13 @@ class Deprecation
      * The link should point to a Github issue or Wiki entry detailing the
      * deprecation. It is additionally used to de-duplicate the trigger of the
      * same deprecation during a request.
-     *
-     * @param float|int|string $args
      */
-    public static function trigger(string $package, string $link, string $message, ...$args): void
-    {
+    public static function trigger(
+        string $package,
+        string $link,
+        string $message,
+        float|int|string ...$args,
+    ): void {
         $type = self::$type ?? self::getTypeFromEnv();
 
         if ($type === self::TYPE_NONE) {
@@ -124,11 +126,13 @@ public static function trigger(string $package, string $link, string $message, .
      * Compared to {@link trigger()} this method causes some overhead when
      * deprecation tracking is enabled even during deduplication, because it
      * needs to call {@link debug_backtrace()}
-     *
-     * @param float|int|string $args
      */
-    public static function triggerIfCalledFromOutside(string $package, string $link, string $message, ...$args): void
-    {
+    public static function triggerIfCalledFromOutside(
+        string $package,
+        string $link,
+        string $message,
+        float|int|string ...$args
+    ): void {
         $type = self::$type ?? self::getTypeFromEnv();
 
         if ($type === self::TYPE_NONE) {