diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index fec1088..efbe5d5 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -12,5 +12,6 @@
     ->setRules([
         '@PSR12' => true,
         'concat_space' => ['spacing' => 'one'],
+        'new_with_parentheses' => false,
     ])
     ->setFinder($finder);
diff --git a/src/CacheItemsTrait.php b/src/CacheItemsTrait.php
index 1f99fcf..4cbaf17 100644
--- a/src/CacheItemsTrait.php
+++ b/src/CacheItemsTrait.php
@@ -21,8 +21,8 @@
  */
 trait CacheItemsTrait
 {
-    static string $CACHE_KEY_PREFIX = 'flysystem_item_';
-    static string $CACHE_KEY_HASH_SALT = '563ce5132194441b';
+    public static string $CACHE_KEY_PREFIX = 'flysystem_item_';
+    public static string $CACHE_KEY_HASH_SALT = '563ce5132194441b';
 
     protected function getCacheItem(string $path): CacheItemInterface
     {
diff --git a/tests/CacheAdapter_Test.php b/tests/CacheAdapter_Test.php
index 5a6e9c4..fc925fa 100644
--- a/tests/CacheAdapter_Test.php
+++ b/tests/CacheAdapter_Test.php
@@ -31,7 +31,7 @@ public function writing_and_reading_files_with_special_path(string $path): void
     /**
      * "Override" function from parent which is not static and thus incompatible with phpunit 10
      * @todo Remove when https://github.com/thephpleague/flysystem-adapter-test-utilities/commit/bf4c950b176bbefcc49c443cdab1ffb62a9fef5c is tagged (version >= 3.16?)
-     * @return Generator 
+     * @return Generator
      */
     public static function filenameProvider2(): Generator
     {
diff --git a/tests/CacheTestCase.php b/tests/CacheTestCase.php
index 2968d77..0006624 100644
--- a/tests/CacheTestCase.php
+++ b/tests/CacheTestCase.php
@@ -57,7 +57,7 @@ public function setUp(): void
     }
 
     /**
-     * @param array<string, FileAttributes|DirectoryAttributes> $items 
+     * @param array<string, FileAttributes|DirectoryAttributes> $items
      */
     protected function setupCache(array $items): void
     {
@@ -71,7 +71,7 @@ protected function setupCache(array $items): void
     }
 
     /**
-     * @param array<string, string> $items 
+     * @param array<string, string> $items
      */
     protected function setupFiles(array $items): void
     {
@@ -81,7 +81,7 @@ protected function setupFiles(array $items): void
     }
 
     /**
-     * @param array<string, StorageAttributes|FileAttributes|DirectoryAttributes|null> $items 
+     * @param array<string, StorageAttributes|FileAttributes|DirectoryAttributes|null> $items
      */
     protected function assertCachedItems(array $items): void
     {
diff --git a/tests/Copy_Test.php b/tests/Copy_Test.php
index 75dcc78..9db1eb6 100644
--- a/tests/Copy_Test.php
+++ b/tests/Copy_Test.php
@@ -10,7 +10,7 @@
 
 class Copy_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -27,7 +27,7 @@ public function copy_ok(string $source, FileAttributes|null $expectedSourceCache
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -36,7 +36,7 @@ public static function dataProvider(): iterable
         yield 'cache item is created' => ['non-cached-file', \null, new FileAttributes('destination')];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_copy(): void
diff --git a/tests/CreateDirectory_Test.php b/tests/CreateDirectory_Test.php
index 863f650..bdc0236 100644
--- a/tests/CreateDirectory_Test.php
+++ b/tests/CreateDirectory_Test.php
@@ -7,7 +7,7 @@
 
 class CreateDirectory_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -21,7 +21,7 @@ public function directory_is_cached_after_creating(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
diff --git a/tests/DeleteDirectory_Test.php b/tests/DeleteDirectory_Test.php
index a3e4104..b8d6042 100644
--- a/tests/DeleteDirectory_Test.php
+++ b/tests/DeleteDirectory_Test.php
@@ -6,7 +6,7 @@
 
 class DeleteDirectory_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -20,7 +20,7 @@ public function directory_is_not_cached_deleting(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -41,7 +41,7 @@ public function nested_files_are_purged_from_cache(): void
         ]);
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_delete(): void
diff --git a/tests/Delete_Test.php b/tests/Delete_Test.php
index 0fa41f8..0ba1b1e 100644
--- a/tests/Delete_Test.php
+++ b/tests/Delete_Test.php
@@ -6,7 +6,7 @@
 
 class Delete_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -20,7 +20,7 @@ public function file_is_not_cached_deleting(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -29,7 +29,7 @@ public static function dataProvider(): iterable
         yield 'non cached file stays uncached' => ['non-cached-file'];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_delete(): void
diff --git a/tests/DirectoryExists_Test.php b/tests/DirectoryExists_Test.php
index 0ba5887..2e2e590 100644
--- a/tests/DirectoryExists_Test.php
+++ b/tests/DirectoryExists_Test.php
@@ -6,7 +6,7 @@
 
 class DirectoryExists_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -18,7 +18,7 @@ public function directory_exists_ok(string $path, bool $expectedResult): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -30,7 +30,7 @@ public static function dataProvider(): iterable
         yield 'file is not a directory' => ['fully-cached-file', false];
     }
 
-    /** 
+    /**
      * @test
      */
     public function directory_is_cached_after_checking_filesystem(): void
diff --git a/tests/GetChecksum_Test.php b/tests/GetChecksum_Test.php
index 7fdaa0b..eebdaad 100644
--- a/tests/GetChecksum_Test.php
+++ b/tests/GetChecksum_Test.php
@@ -23,7 +23,7 @@ public function setUp(): void
         ]);
     }
 
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -35,7 +35,7 @@ public function get_checksum(string $path, string $expectedChecksum): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -45,7 +45,7 @@ public static function dataProvider(): iterable
         yield 'file is not cached' => ['non-cached-file', md5('0123456789')];
     }
 
-    /** 
+    /**
      * @test
      * @dataProvider aws_dataProvider
      */
@@ -62,7 +62,7 @@ public function with_mock_aws_adapter(string $path, string $expectedChecksum): v
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function aws_dataProvider(): iterable
@@ -84,7 +84,7 @@ public function error(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function errorDataProvider(): iterable
@@ -94,7 +94,7 @@ public static function errorDataProvider(): iterable
         yield 'Path is directory (non-cached)' => ['non-cached-directory'];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_get(): void
diff --git a/tests/GetFileSize_Test.php b/tests/GetFileSize_Test.php
index e608cb9..aa4aaec 100644
--- a/tests/GetFileSize_Test.php
+++ b/tests/GetFileSize_Test.php
@@ -6,7 +6,7 @@
 
 class GetFileSize_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -18,7 +18,7 @@ public function get_fileSize(string $path, int $expectedFileSize): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -41,7 +41,7 @@ public function error(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function errorDataProvider(): iterable
@@ -51,7 +51,7 @@ public static function errorDataProvider(): iterable
         yield 'Path is directory (non-cached)' => ['non-cached-directory'];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_get(): void
diff --git a/tests/GetLastModified_Test.php b/tests/GetLastModified_Test.php
index 4506d85..b73e2ee 100644
--- a/tests/GetLastModified_Test.php
+++ b/tests/GetLastModified_Test.php
@@ -6,7 +6,7 @@
 
 class GetLastModified_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -18,7 +18,7 @@ public function get_lastModified(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -38,7 +38,7 @@ public function error(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function errorDataProvider(): iterable
@@ -48,7 +48,7 @@ public static function errorDataProvider(): iterable
         yield 'Path is directory (non-cached)' => ['non-cached-directory'];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_get(): void
diff --git a/tests/GetMimetype_Test.php b/tests/GetMimetype_Test.php
index 7ac1f1e..49cdded 100644
--- a/tests/GetMimetype_Test.php
+++ b/tests/GetMimetype_Test.php
@@ -10,7 +10,7 @@
 
 class GetMimetype_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -22,7 +22,7 @@ public function get_mimetype(string $path, StorageAttributes $expectedResult): v
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -32,7 +32,7 @@ public static function dataProvider(): iterable
         yield 'file is not cached but exists in the filesystem' => ['non-cached-file.txt', new FileAttributes('non-cached-file.txt', mimeType: 'text/plain')];
     }
 
-    /** 
+    /**
      * @test
      */
     public function file_is_cached_after_checking_filesystem(): void
@@ -57,7 +57,7 @@ public function error(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function errorDataProvider(): iterable
@@ -67,7 +67,7 @@ public static function errorDataProvider(): iterable
         yield 'Path is directory (non-cached)' => ['non-cached-directory'];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_get(): void
diff --git a/tests/GetVisibility_Test.php b/tests/GetVisibility_Test.php
index 68e56b1..d272ed3 100644
--- a/tests/GetVisibility_Test.php
+++ b/tests/GetVisibility_Test.php
@@ -9,7 +9,7 @@
 
 class GetVisibility_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -21,7 +21,7 @@ public function get_visibility(string $path, StorageAttributes $expectedResult):
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -31,7 +31,7 @@ public static function dataProvider(): iterable
         yield 'file is not cached but exists in the filesystem' => ['non-cached-file', new FileAttributes('non-cached-file', visibility: Visibility::PUBLIC)];
     }
 
-    /** 
+    /**
      * @test
      */
     public function file_is_cached_after_checking_filesystem(): void
@@ -56,7 +56,7 @@ public function error(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function errorDataProvider(): iterable
@@ -66,7 +66,7 @@ public static function errorDataProvider(): iterable
         yield 'Path is directory (non-cached)' => ['non-cached-directory'];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_get(): void
diff --git a/tests/ListContents_Test.php b/tests/ListContents_Test.php
index 8b1a0dc..f068f66 100644
--- a/tests/ListContents_Test.php
+++ b/tests/ListContents_Test.php
@@ -7,7 +7,7 @@
 
 class ListContents_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      */
     public function content_list_is_cached(): void
diff --git a/tests/Move_Test.php b/tests/Move_Test.php
index 220e713..33d76ca 100644
--- a/tests/Move_Test.php
+++ b/tests/Move_Test.php
@@ -9,7 +9,7 @@
 
 class Move_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -26,7 +26,7 @@ public function move_ok(string $source, FileAttributes $expectedDestinationCache
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -35,7 +35,7 @@ public static function dataProvider(): iterable
         yield 'cache item is created' => ['non-cached-file', new FileAttributes('destination')];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_move(): void
diff --git a/tests/Read_Test.php b/tests/Read_Test.php
index 9969f9d..7b2b55f 100644
--- a/tests/Read_Test.php
+++ b/tests/Read_Test.php
@@ -8,7 +8,7 @@
 
 class Read_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -21,7 +21,7 @@ public function file_is_cached_after_reading(string $path, int|null $expectedSiz
         ]);
     }
 
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -35,7 +35,7 @@ public function file_is_cached_after_reading_stream(string $path, int|null $expe
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -45,7 +45,7 @@ public static function dataProvider(): iterable
         yield 'cached file attributes are unchanged after reading' => ['fully-cached-file', 10, Visibility::PUBLIC];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_read(): void
@@ -61,7 +61,7 @@ public function cache_is_purged_after_unsuccessful_read(): void
         }
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_readStream(): void
diff --git a/tests/SetVisibility_Test.php b/tests/SetVisibility_Test.php
index 0c9e120..54a4778 100644
--- a/tests/SetVisibility_Test.php
+++ b/tests/SetVisibility_Test.php
@@ -9,7 +9,7 @@
 
 class SetVisibility_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -23,7 +23,7 @@ public function set_visibility_ok(string $path, string $visibility, StorageAttri
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable
@@ -36,7 +36,7 @@ public static function dataProvider(): iterable
         // yield 'cached directory, set private' => ['cached-directory', Visibility::PRIVATE, new DirectoryAttributes('fully-cached-file', visibility: Visibility::PRIVATE)];
     }
 
-    /** 
+    /**
      * @test
      */
     public function cache_is_purged_after_unsuccessful_set(): void
diff --git a/tests/Write_Test.php b/tests/Write_Test.php
index 47def45..506d3db 100644
--- a/tests/Write_Test.php
+++ b/tests/Write_Test.php
@@ -8,7 +8,7 @@
 
 class Write_Test extends CacheTestCase
 {
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -21,7 +21,7 @@ public function file_is_cached_after_writing(string $path): void
         ]);
     }
 
-    /** 
+    /**
      * @test
      * @dataProvider dataProvider
      */
@@ -37,7 +37,7 @@ public function file_is_cached_after_writing_stream(string $path): void
     }
 
     /**
-     * 
+     *
      * @return iterable<array<mixed>>
      */
     public static function dataProvider(): iterable