Fix some return type annotations.

Author: derrabus

Crawler.php

@@ -334,7 +334,7 @@ public function addNode(\DOMNode $node)
      *
      * @param int $position The position
      *
-     * @return self
+     * @return static
      */
     public function eq($position)
     {
@@ -377,7 +377,7 @@ public function each(\Closure $closure)
      * @param int $offset
      * @param int $length
      *
-     * @return self
+     * @return static
      */
     public function slice($offset = 0, $length = null)
     {
@@ -391,7 +391,7 @@ public function slice($offset = 0, $length = null)
      *
      * @param \Closure $closure An anonymous function
      *
-     * @return self
+     * @return static
      */
     public function reduce(\Closure $closure)
     {
@@ -408,7 +408,7 @@ public function reduce(\Closure $closure)
     /**
      * Returns the first node of the current selection.
      *
-     * @return self
+     * @return static
      */
     public function first()
     {
@@ -418,7 +418,7 @@ public function first()
     /**
      * Returns the last node of the current selection.
      *
-     * @return self
+     * @return static
      */
     public function last()
     {
@@ -428,7 +428,7 @@ public function last()
     /**
      * Returns the siblings nodes of the current selection.
      *
-     * @return self
+     * @return static
      *
      * @throws \InvalidArgumentException When current node is empty
      */
@@ -444,7 +444,7 @@ public function siblings()
     /**
      * Returns the next siblings nodes of the current selection.
      *
-     * @return self
+     * @return static
      *
      * @throws \InvalidArgumentException When current node is empty
      */
@@ -460,7 +460,7 @@ public function nextAll()
     /**
      * Returns the previous sibling nodes of the current selection.
      *
-     * @return self
+     * @return static
      *
      * @throws \InvalidArgumentException
      */
@@ -476,7 +476,7 @@ public function previousAll()
     /**
      * Returns the parents nodes of the current selection.
      *
-     * @return self
+     * @return static
      *
      * @throws \InvalidArgumentException When current node is empty
      */
@@ -501,7 +501,7 @@ public function parents()
     /**
      * Returns the children nodes of the current selection.
      *
-     * @return self
+     * @return static
      *
      * @throws \InvalidArgumentException When current node is empty
      */
@@ -664,7 +664,7 @@ public function extract($attributes)
      *
      * @param string $xpath An XPath expression
      *
-     * @return self
+     * @return static
      */
     public function filterXPath($xpath)
     {
@@ -685,7 +685,7 @@ public function filterXPath($xpath)
      *
      * @param string $selector A CSS selector
      *
-     * @return self
+     * @return static
      *
      * @throws \RuntimeException if the CssSelector Component is not available
      */
@@ -706,7 +706,7 @@ public function filter($selector)
      *
      * @param string $value The link text
      *
-     * @return self
+     * @return static
      */
     public function selectLink($value)
     {
@@ -721,7 +721,7 @@ public function selectLink($value)
      *
      * @param string $value The image alt
      *
-     * @return self A new instance of Crawler with the filtered list of nodes
+     * @return static A new instance of Crawler with the filtered list of nodes
      */
     public function selectImage($value)
     {
@@ -735,7 +735,7 @@ public function selectImage($value)
      *
      * @param string $value The button text
      *
-     * @return self
+     * @return static
      */
     public function selectButton($value)
     {
@@ -937,7 +937,7 @@ public static function xpathLiteral($s)
      *
      * @param string $xpath
      *
-     * @return self
+     * @return static
      */
     private function filterRelativeXPath($xpath)
     {