fix stan

Author: mvorisek

tests/TokenizerTest.php

@@ -20,6 +20,7 @@ final class TokenizerTest extends TestCase
     public function testKeywordsReservedAreUpperCasedAndWithoutWhitespace(): void
     {
         $tokenizerReflClass = new ReflectionClass(Tokenizer::class);
+        /** @var list<string> */
         $tokenizerReserved  = $tokenizerReflClass->getProperty('reserved')->getDefaultValue();
 
         $kwsDiff = array_filter($tokenizerReserved, static function ($v) {
@@ -32,8 +33,11 @@ public function testKeywordsReservedAreUpperCasedAndWithoutWhitespace(): void
     public function testKeywordsReservedToplevelAndNewlineAreReserved(): void
     {
         $tokenizerReflClass        = new ReflectionClass(Tokenizer::class);
+        /** @var list<string> */
         $tokenizerReserved         = $tokenizerReflClass->getProperty('reserved')->getDefaultValue();
+        /** @var list<string> */
         $tokenizerReservedToplevel = $tokenizerReflClass->getProperty('reservedToplevel')->getDefaultValue();
+        /** @var list<string> */
         $tokenizerReservedNewline  = $tokenizerReflClass->getProperty('reservedNewline')->getDefaultValue();
 
         $kws = [];