Lets use Extension as a name instead of _Object as TestListener is de…

…precated and soon we will use this only for extensions

src/Util/Configuration.php

@@ -15,8 +15,8 @@
 use PHPUnit\Framework\TestSuite;
 use PHPUnit\Runner\TestSuiteSorter;
 use PHPUnit\TextUI\DefaultResultPrinter;
-use PHPUnit\Util\Configuration\_Object;
-use PHPUnit\Util\Configuration\ObjectCollection;
+use PHPUnit\Util\Configuration\Extension;
+use PHPUnit\Util\Configuration\ExtensionCollection;
 use PHPUnit\Util\TestDox\CliTestDoxPrinter;
 use SebastianBergmann\FileIterator\Facade as FileIteratorFacade;
 
@@ -123,15 +123,15 @@ public function getFilename(): string
         return $this->filename;
     }
 
-    public function getExtensionConfiguration(): ObjectCollection
+    public function getExtensionConfiguration(): ExtensionCollection
     {
         $extensions = [];
 
         foreach ($this->xpath->query('extensions/extension') as $extension) {
             $extensions[] = $this->getElementConfigurationParameters($extension);
         }
 
-        return ObjectCollection::fromArray($extensions);
+        return ExtensionCollection::fromArray($extensions);
     }
 
     /**
@@ -219,15 +219,15 @@ public function getTestdoxGroupConfiguration(): array
     /**
      * Returns the configuration for listeners.
      */
-    public function getListenerConfiguration(): ObjectCollection
+    public function getListenerConfiguration(): ExtensionCollection
     {
         $listeners = [];
 
         foreach ($this->xpath->query('listeners/listener') as $listener) {
             $listeners[] = $this->getElementConfigurationParameters($listener);
         }
 
-        return ObjectCollection::fromArray($listeners);
+        return ExtensionCollection::fromArray($listeners);
     }
 
     /**
@@ -1185,7 +1185,7 @@ private function parseGroupConfiguration(string $root): array
         return $groups;
     }
 
-    private function getElementConfigurationParameters(DOMElement $element): _Object
+    private function getElementConfigurationParameters(DOMElement $element): Extension
     {
         $class     = (string) $element->getAttribute('class');
         $file      = '';
@@ -1198,6 +1198,6 @@ private function getElementConfigurationParameters(DOMElement $element): _Object
             );
         }
 
-        return new _Object($class, $file, $arguments);
+        return new Extension($class, $file, $arguments);
     }
 }

src/Util/Configuration/Object.php → src/Util/Configuration/Extension.php

@@ -11,7 +11,7 @@
 
 use PHPUnit\Framework\Exception;
 
-final class _Object
+final class Extension
 {
     /**
      * @var string

src/Util/Configuration/ObjectCollection.php → src/Util/Configuration/ExtensionCollection.php

@@ -9,15 +9,15 @@
  */
 namespace PHPUnit\Util\Configuration;
 
-final class ObjectCollection implements \IteratorAggregate
+final class ExtensionCollection implements \IteratorAggregate
 {
     /**
-     * @var _Object[]
+     * @var Extension[]
      */
     private $items = [];
 
     /**
-     * @param _Object[] $items
+     * @param Extension[] $items
      */
     public static function fromArray(array $items): self
     {
@@ -35,19 +35,19 @@ private function __construct()
     }
 
     /**
-     * @return _Object[]
+     * @return Extension[]
      */
     public function asArray(): array
     {
         return $this->items;
     }
 
-    public function getIterator(): ObjectCollectionIterator
+    public function getIterator(): ExtensionCollectionIterator
     {
-        return new ObjectCollectionIterator($this);
+        return new ExtensionCollectionIterator($this);
     }
 
-    private function add(_Object $item): void
+    private function add(Extension $item): void
     {
         $this->items[] = $item;
     }

src/Util/Configuration/ObjectCollectionIterator.php → src/Util/Configuration/ExtensionCollectionIterator.php

@@ -9,10 +9,10 @@
  */
 namespace PHPUnit\Util\Configuration;
 
-final class ObjectCollectionIterator implements \Countable, \Iterator
+final class ExtensionCollectionIterator implements \Countable, \Iterator
 {
     /**
-     * @var _Object[]
+     * @var Extension[]
      */
     private $items;
 
@@ -21,7 +21,7 @@ final class ObjectCollectionIterator implements \Countable, \Iterator
      */
     private $position;
 
-    public function __construct(ObjectCollection $collection)
+    public function __construct(ExtensionCollection $collection)
     {
         $this->items = $collection->asArray();
     }
@@ -46,7 +46,7 @@ public function key(): int
         return $this->position;
     }
 
-    public function current(): _Object
+    public function current(): Extension
     {
         return $this->items[$this->position];
     }