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diff --git a/vendor/mikey179/vfsStream/src/main/php/org/bovigo/vfs/visitor/vfsStreamStructureVisitor.php b/vendor/mikey179/vfsStream/src/main/php/org/bovigo/vfs/visitor/vfsStreamStructureVisitor.php
new file mode 100644
index 000000000..47acc45cd
--- /dev/null
+++ b/vendor/mikey179/vfsStream/src/main/php/org/bovigo/vfs/visitor/vfsStreamStructureVisitor.php
@@ -0,0 +1,111 @@
+<?php
+/**
+ * This file is part of vfsStream.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @package  org\bovigo\vfs
+ */
+namespace org\bovigo\vfs\visitor;
+use org\bovigo\vfs\vfsStreamDirectory;
+use org\bovigo\vfs\vfsStreamFile;
+use org\bovigo\vfs\vfsStreamBlock;
+
+/**
+ * Visitor which traverses a content structure recursively to create an array structure from it.
+ *
+ * @since  0.10.0
+ * @see    https://github.com/mikey179/vfsStream/issues/10
+ */
+class vfsStreamStructureVisitor extends vfsStreamAbstractVisitor
+{
+    /**
+     * collected structure
+     *
+     * @type  array
+     */
+    protected $structure = array();
+    /**
+     * poiting to currently iterated directory
+     *
+     * @type  array
+     */
+    protected $current;
+
+    /**
+     * constructor
+     *
+     * @api
+     */
+    public function __construct()
+    {
+        $this->reset();
+    }
+
+    /**
+     * visit a file and process it
+     *
+     * @param   vfsStreamFile  $file
+     * @return  vfsStreamStructureVisitor
+     */
+    public function visitFile(vfsStreamFile $file)
+    {
+        $this->current[$file->getName()] = $file->getContent();
+        return $this;
+    }
+
+    /**
+     * visit a block device and process it
+     *
+     * @param   vfsStreamBlock $block
+     * @return  vfsStreamStructureVisitor
+     */
+    public function visitBlockDevice(vfsStreamBlock $block)
+    {
+        $this->current['[' . $block->getName() . ']'] = $block->getContent();
+        return $this;
+    }
+
+    /**
+     * visit a directory and process it
+     *
+     * @param   vfsStreamDirectory  $dir
+     * @return  vfsStreamStructureVisitor
+     */
+    public function visitDirectory(vfsStreamDirectory $dir)
+    {
+        $this->current[$dir->getName()] = array();
+        $tmp           =& $this->current;
+        $this->current =& $tmp[$dir->getName()];
+        foreach ($dir as $child) {
+            $this->visit($child);
+        }
+
+        $this->current =& $tmp;
+        return $this;
+    }
+
+    /**
+     * returns structure of visited contents
+     *
+     * @return  array
+     * @api
+     */
+    public function getStructure()
+    {
+        return $this->structure;
+    }
+
+    /**
+     * resets structure so visitor could be reused
+     *
+     * @return  vfsStreamStructureVisitor
+     */
+    public function reset()
+    {
+        $this->structure = array();
+        $this->current   =& $this->structure;
+        return $this;
+    }
+}