[4.4] Add return types on internal|final|private methods (bis)

Author: nicolas-grekas

Parser/TokenStream.php

@@ -56,7 +56,7 @@ class TokenStream
      *
      * @return $this
      */
-    public function push(Token $token)
+    public function push(Token $token): self
     {
         $this->tokens[] = $token;
 
@@ -68,7 +68,7 @@ public function push(Token $token)
      *
      * @return $this
      */
-    public function freeze()
+    public function freeze(): self
     {
         return $this;
     }

XPath/Extension/ExtensionInterface.php

@@ -30,40 +30,38 @@ interface ExtensionInterface
      *
      * @return callable[]
      */
-    public function getNodeTranslators();
+    public function getNodeTranslators(): array;
 
     /**
      * Returns combination translators.
      *
      * @return callable[]
      */
-    public function getCombinationTranslators();
+    public function getCombinationTranslators(): array;
 
     /**
      * Returns function translators.
      *
      * @return callable[]
      */
-    public function getFunctionTranslators();
+    public function getFunctionTranslators(): array;
 
     /**
      * Returns pseudo-class translators.
      *
      * @return callable[]
      */
-    public function getPseudoClassTranslators();
+    public function getPseudoClassTranslators(): array;
 
     /**
      * Returns attribute operation translators.
      *
      * @return callable[]
      */
-    public function getAttributeMatchingTranslators();
+    public function getAttributeMatchingTranslators(): array;
 
     /**
      * Returns extension name.
-     *
-     * @return string
      */
-    public function getName();
+    public function getName(): string;
 }

XPath/Extension/NodeExtension.php

@@ -41,7 +41,7 @@ public function __construct(int $flags = 0)
     /**
      * @return $this
      */
-    public function setFlag(int $flag, bool $on)
+    public function setFlag(int $flag, bool $on): self
     {
         if ($on && !$this->hasFlag($flag)) {
             $this->flags += $flag;