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diff --git a/vendor/behat/behat/src/Behat/Testwork/ServiceContainer/ExtensionManager.php b/vendor/behat/behat/src/Behat/Testwork/ServiceContainer/ExtensionManager.php
deleted file mode 100644
index 7e2d955dc..000000000
--- a/vendor/behat/behat/src/Behat/Testwork/ServiceContainer/ExtensionManager.php
+++ /dev/null
@@ -1,231 +0,0 @@
-<?php
-
-/*
- * This file is part of the Behat Testwork.
- * (c) Konstantin Kudryashov <ever.zet@gmail.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Behat\Testwork\ServiceContainer;
-
-use Behat\Testwork\ServiceContainer\Exception\ExtensionInitializationException;
-
-/**
- * Manages both default and 3rd-party extensions.
- *
- * @author Konstantin Kudryashov <ever.zet@gmail.com>
- */
-final class ExtensionManager
-{
-    /**
-     * @var string
-     */
-    private $extensionsPath;
-    /**
-     * @var Extension[]
-     */
-    private $extensions = array();
-    /**
-     * @var Extension[string]
-     */
-    private $locatedExtensions = array();
-    private $debugInformation = array(
-        'extensions_list' => array()
-    );
-
-    /**
-     * Initializes manager.
-     *
-     * @param Extension[] $extensions     List of default extensions
-     * @param null|string $extensionsPath Base path where to search custom extension files
-     */
-    public function __construct(array $extensions, $extensionsPath = null)
-    {
-        foreach ($extensions as $extension) {
-            $this->extensions[$extension->getConfigKey()] = $extension;
-        }
-
-        $this->extensionsPath = $extensionsPath;
-    }
-
-    /**
-     * Sets path to directory in which manager will try to find extension files.
-     *
-     * @param null|string $path
-     */
-    public function setExtensionsPath($path)
-    {
-        $this->extensionsPath = $path;
-    }
-
-    /**
-     * Activate extension by its locator.
-     *
-     * @param string $locator phar file name, php file name, class name
-     *
-     * @return Extension
-     */
-    public function activateExtension($locator)
-    {
-        $extension = $this->initialize($locator);
-
-        $this->debugInformation['extensions_list'][] = $extension->getConfigKey();
-
-        return $this->extensions[$extension->getConfigKey()] = $extension;
-    }
-
-    /**
-     * Returns specific extension by its name.
-     *
-     * @param string $key
-     *
-     * @return Extension
-     */
-    public function getExtension($key)
-    {
-        return isset($this->extensions[$key]) ? $this->extensions[$key] : null;
-    }
-
-    /**
-     * Returns all available extensions.
-     *
-     * @return Extension[]
-     */
-    public function getExtensions()
-    {
-        return $this->extensions;
-    }
-
-    /**
-     * Returns activated extension names.
-     *
-     * @return array
-     */
-    public function getExtensionClasses()
-    {
-        return array_map('get_class', array_values($this->extensions));
-    }
-
-    /**
-     * Initializes all activated and predefined extensions.
-     */
-    public function initializeExtensions()
-    {
-        foreach ($this->extensions as $extension) {
-            $extension->initialize($this);
-        }
-    }
-
-    /**
-     * Returns array with extensions debug information.
-     *
-     * @return array
-     */
-    public function debugInformation()
-    {
-        return $this->debugInformation;
-    }
-
-    /**
-     * Attempts to guess full extension class from relative.
-     *
-     * @param string $locator
-     *
-     * @return string
-     */
-    private function getFullExtensionClass($locator)
-    {
-        $parts = explode('\\', $locator);
-        $name = preg_replace('/Extension$/', '', end($parts)) . 'Extension';
-
-        return $locator . '\\ServiceContainer\\' . $name;
-    }
-
-    /**
-     * Initializes extension by id.
-     *
-     * @param string $locator
-     *
-     * @return Extension
-     *
-     * @throws ExtensionInitializationException
-     */
-    private function initialize($locator)
-    {
-        if (isset($this->locatedExtensions[$locator])) {
-            return $this->locatedExtensions[$locator];
-        }
-
-        $extension = $this->instantiateExtension($locator);
-        $this->validateExtensionInstance($extension, $locator);
-
-        return $this->locatedExtensions[$locator] = $extension;
-    }
-
-    /**
-     * Instantiates extension from its locator.
-     *
-     * @param string $locator
-     *
-     * @return Extension
-     *
-     * @throws ExtensionInitializationException
-     */
-    private function instantiateExtension($locator)
-    {
-        if (class_exists($class = $locator)) {
-            return new $class;
-        }
-
-        if (class_exists($class = $this->getFullExtensionClass($locator))) {
-            return new $class;
-        }
-
-        if (file_exists($locator)) {
-            return require($locator);
-        }
-
-        if (file_exists($path = $this->extensionsPath . DIRECTORY_SEPARATOR . $locator)) {
-            return require($path);
-        }
-
-        throw new ExtensionInitializationException(sprintf(
-            '`%s` extension file or class could not be located.',
-            $locator
-        ), $locator);
-    }
-
-    /**
-     * Validates extension instance.
-     *
-     * @param Extension $extension
-     * @param string    $locator
-     *
-     * @throws ExtensionInitializationException
-     */
-    private function validateExtensionInstance($extension, $locator)
-    {
-        if (null === $extension) {
-            throw new ExtensionInitializationException(sprintf(
-                '`%s` extension could not be found.',
-                $locator
-            ), $locator);
-        }
-
-        if (!is_object($extension)) {
-            throw new ExtensionInitializationException(sprintf(
-                '`%s` extension could not be initialized.',
-                $locator
-            ), $locator);
-        }
-
-        if (!$extension instanceof Extension) {
-            throw new ExtensionInitializationException(sprintf(
-                '`%s` extension class should implement Testwork Extension interface.',
-                get_class($extension)
-            ), $locator);
-        }
-    }
-}