[DomCrawler] fix return type declarations

Author: nicolas-grekas

Crawler.php

@@ -43,7 +43,7 @@ class Crawler implements \Countable, \IteratorAggregate
     private $document;
 
     /**
-     * @var \DOMElement[]
+     * @var \DOMNode[]
      */
     private $nodes = [];
 
@@ -55,9 +55,7 @@ class Crawler implements \Countable, \IteratorAggregate
     private $isHtml = true;
 
     /**
-     * @param mixed  $node     A Node to use as the base for the crawling
-     * @param string $uri      The current URI
-     * @param string $baseHref The base href value
+     * @param \DOMNodeList|\DOMNode|\DOMNode[]|string|null $node A Node to use as the base for the crawling
      */
     public function __construct($node = null, $uri = null, $baseHref = null)
     {
@@ -102,7 +100,7 @@ public function clear()
      * This method uses the appropriate specialized add*() method based
      * on the type of the argument.
      *
-     * @param \DOMNodeList|\DOMNode|array|string|null $node A node
+     * @param \DOMNodeList|\DOMNode|\DOMNode[]|string|null $node A node
      *
      * @throws \InvalidArgumentException when node is not the expected type
      */
@@ -1049,7 +1047,7 @@ private function relativize($xpath)
     /**
      * @param int $position
      *
-     * @return \DOMElement|null
+     * @return \DOMNode|null
      */
     public function getNode($position)
     {
@@ -1065,7 +1063,7 @@ public function count()
     }
 
     /**
-     * @return \ArrayIterator|\DOMElement[]
+     * @return \ArrayIterator|\DOMNode[]
      */
     public function getIterator()
     {
@@ -1146,7 +1144,7 @@ private function findNamespacePrefixes($xpath)
     /**
      * Creates a crawler for some subnodes.
      *
-     * @param \DOMElement|\DOMElement[]|\DOMNodeList|null $nodes
+     * @param \DOMNodeList|\DOMNode|\DOMNode[]|string|null $nodes
      *
      * @return static
      */