improve typehint

Author: nyamsprod

src/Cache/FileCacheAdapter.php

@@ -256,7 +256,7 @@ public function has($key)
      *
      * @return string absolute path to cache-file
      */
-    private function getPath($key)
+    private function getPath($key): string
     {
         $this->validateKey($key);
 
@@ -274,7 +274,7 @@ private function getPath($key)
     /**
      * @return Generator|string[]
      */
-    private function listPaths()
+    private function listPaths(): Generator
     {
         $iterator = new RecursiveDirectoryIterator(
             $this->cache_path,

src/PublicSuffixListManager.php

@@ -117,6 +117,8 @@ public function refreshPublicSuffixList(): bool
      *
      * Returns true if all the public suffix list are correctly refreshed
      *
+     * @param string $publicSuffixList
+     *
      * @return bool
      */
     private function cachePublicSuffixListTypes(string $publicSuffixList): bool
@@ -129,6 +131,8 @@ private function cachePublicSuffixListTypes(string $publicSuffixList): bool
     /**
      * Parses text representation of list to associative, multidimensional array.
      *
+     * @param string $publicSuffixList
+     *
      * @return array Associative, multidimensional array representation of the
      *               public suffx list
      */