Fix code style

Author: VolCh

lib/WebDriverDimension.php

@@ -65,7 +65,7 @@ public function getWidth()
      * @param WebDriverDimension $dimension The dimension to be compared with.
      * @return bool Whether the height and the width are the same as the instance.
      */
-    public function equals(WebDriverDimension $dimension)
+    public function equals(self $dimension)
     {
         return $this->height === $dimension->getHeight() && $this->width === $dimension->getWidth();
     }

lib/WebDriverExpectedCondition.php

@@ -453,7 +453,7 @@ function () use ($element) {
      * @return WebDriverExpectedCondition<mixed> Condition returns the return value of the getApply() of the given
      * condition.
      */
-    public static function refreshed(WebDriverExpectedCondition $condition)
+    public static function refreshed(self $condition)
     {
         return new static(
             function (WebDriver $driver) use ($condition) {
@@ -558,7 +558,7 @@ function (WebDriver $driver) use ($expectedNumberOfWindows) {
      * @param WebDriverExpectedCondition $condition The condition to be negated.
      * @return mixed The negation of the result of the given condition.
      */
-    public static function not(WebDriverExpectedCondition $condition)
+    public static function not(self $condition)
     {
         return new static(
             function (WebDriver $driver) use ($condition) {

lib/WebDriverPoint.php

@@ -85,7 +85,7 @@ public function moveBy($x_offset, $y_offset)
      * @param WebDriverPoint $point The point to be compared with.
      * @return bool Whether the x and y coordinates are the same as the instance.
      */
-    public function equals(WebDriverPoint $point)
+    public function equals(self $point)
     {
         return $this->x === $point->getX() &&
         $this->y === $point->getY();