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vendor/symfony/dependency-injection/Argument/ArgumentInterface.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Argument;
+
+/**
+ * Represents a complex argument containing nested values.
+ *
+ * @author Titouan Galopin <galopintitouan@gmail.com>
+ */
+interface ArgumentInterface
+{
+    /**
+     * @return array
+     */
+    public function getValues();
+
+    public function setValues(array $values);
+}

vendor/symfony/dependency-injection/Argument/BoundArgument.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Argument;
+
+/**
+ * @author Guilhem Niot <guilhem.niot@gmail.com>
+ */
+final class BoundArgument implements ArgumentInterface
+{
+    private static $sequence = 0;
+
+    private $value;
+    private $identifier;
+    private $used;
+
+    public function __construct($value)
+    {
+        $this->value = $value;
+        $this->identifier = ++self::$sequence;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getValues()
+    {
+        return array($this->value, $this->identifier, $this->used);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setValues(array $values)
+    {
+        list($this->value, $this->identifier, $this->used) = $values;
+    }
+}

vendor/symfony/dependency-injection/Argument/IteratorArgument.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Argument;
+
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Represents a collection of values to lazily iterate over.
+ *
+ * @author Titouan Galopin <galopintitouan@gmail.com>
+ */
+class IteratorArgument implements ArgumentInterface
+{
+    private $values;
+
+    /**
+     * @param Reference[] $values
+     */
+    public function __construct(array $values)
+    {
+        $this->setValues($values);
+    }
+
+    /**
+     * @return array The values to lazily iterate over
+     */
+    public function getValues()
+    {
+        return $this->values;
+    }
+
+    /**
+     * @param Reference[] $values The service references to lazily iterate over
+     */
+    public function setValues(array $values)
+    {
+        foreach ($values as $k => $v) {
+            if (null !== $v && !$v instanceof Reference) {
+                throw new InvalidArgumentException(sprintf('An IteratorArgument must hold only Reference instances, "%s" given.', \is_object($v) ? \get_class($v) : \gettype($v)));
+            }
+        }
+
+        $this->values = $values;
+    }
+}

vendor/symfony/dependency-injection/Argument/RewindableGenerator.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Argument;
+
+/**
+ * @internal
+ */
+class RewindableGenerator implements \IteratorAggregate, \Countable
+{
+    private $generator;
+    private $count;
+
+    /**
+     * @param callable     $generator
+     * @param int|callable $count
+     */
+    public function __construct(callable $generator, $count)
+    {
+        $this->generator = $generator;
+        $this->count = $count;
+    }
+
+    public function getIterator()
+    {
+        $g = $this->generator;
+
+        return $g();
+    }
+
+    public function count()
+    {
+        if (\is_callable($count = $this->count)) {
+            $this->count = $count();
+        }
+
+        return $this->count;
+    }
+}

vendor/symfony/dependency-injection/Argument/ServiceClosureArgument.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Argument;
+
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Represents a service wrapped in a memoizing closure.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ServiceClosureArgument implements ArgumentInterface
+{
+    private $values;
+
+    public function __construct(Reference $reference)
+    {
+        $this->values = array($reference);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getValues()
+    {
+        return $this->values;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setValues(array $values)
+    {
+        if (array(0) !== array_keys($values) || !($values[0] instanceof Reference || null === $values[0])) {
+            throw new InvalidArgumentException('A ServiceClosureArgument must hold one and only one Reference.');
+        }
+
+        $this->values = $values;
+    }
+}

vendor/symfony/dependency-injection/Argument/TaggedIteratorArgument.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Argument;
+
+/**
+ * Represents a collection of services found by tag name to lazily iterate over.
+ *
+ * @author Roland Franssen <franssen.roland@gmail.com>
+ */
+class TaggedIteratorArgument extends IteratorArgument
+{
+    private $tag;
+
+    /**
+     * @param string $tag
+     */
+    public function __construct($tag)
+    {
+        parent::__construct(array());
+
+        $this->tag = (string) $tag;
+    }
+
+    public function getTag()
+    {
+        return $this->tag;
+    }
+}