Fix phpstan.

phpstan.neon.dist

@@ -1,6 +1,9 @@
 parameters:
     level: max
     ignoreErrors:
-      - message: '/Parameter \#3 \$microseconds of function stream_set_timeout expects int, int\|null given./'
+      - message: '/Parameter \#3 \$microseconds of function stream_set_timeout expects int, int\|null given/'
+        path: src/FileStreamWrapper.php
+        count: 1
+      - message: '/Parameter \#2 \$size of function ftruncate expects int\<0, max\>, int given/'
         path: src/FileStreamWrapper.php
         count: 1

src/FileStreamWrapper.php

@@ -416,7 +416,8 @@ public function stream_open(string $path, string $mode, int $options, ?string &$
     /**
      * Read from stream.
      *
-     * @param int $count
+     * @param int                $count
+     * @psalm-param positive-int $count
      *
      * @return string
      * @noinspection PhpUnused