diff --git a/Stdlib/Collection/Collection.php b/Stdlib/Collection/Collection.php
new file mode 100644
index 000000000..823bfe023
--- /dev/null
+++ b/Stdlib/Collection/Collection.php
@@ -0,0 +1,345 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.0
+ *
+ * @category   TBD
+ * @package    TBD
+ * @author     OMS Development Team <dev@oms.com>
+ * @author     Dennis Eichhorn <d.eichhorn@oms.com>
+ * @copyright  2013 Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://orange-management.com
+ */
+namespace phpOMS\Stdlib\Map;
+
+/**
+ * Multimap utils.
+ *
+ * @category   Framework
+ * @package    phpOMS\Stdlib
+ * @author     OMS Development Team <dev@oms.com>
+ * @author     Dennis Eichhorn <d.eichhorn@oms.com>
+ * @license    OMS License 1.0
+ * @link       http://orange-management.com
+ * @since      1.0.0
+ */
+class Collection implements \Countable, \ArrayAccess, \Iterator, \JsonSerializable
+{
+    private $count = 0;
+    private $collection = [];
+
+    public function __construct(array $data)
+    {
+    }
+
+    public function toArray()
+    {
+
+    }
+
+    public function jsonSerialize()
+    {
+
+    }
+
+    public function avg()
+    {
+
+    }
+
+    public function chunk()
+    {
+
+    }
+
+    public function collapse()
+    {
+
+    }
+
+    public function combine()
+    {
+    }
+
+    public function contains()
+    {
+    }
+
+    public function count()
+    {
+    }
+
+    public function diff()
+    {
+    }
+
+    public function diffKeys()
+    {
+    }
+
+    public function every()
+    {
+
+    }
+
+    public function except()
+    {
+    }
+
+    public function filter()
+    {
+    }
+
+    public function first()
+    {
+    }
+
+    public function last()
+    {
+    }
+
+    public function sort()
+    {
+    }
+
+    public function reverse()
+    {
+    }
+
+    public function map()
+    {
+    }
+
+    public function flatten()
+    {
+    }
+
+    public function flip()
+    {
+    }
+
+    public function remove()
+    {
+    }
+
+    public function range()
+    {
+    }
+
+    public function get()
+    {
+    }
+
+    public function groupBy()
+    {
+    }
+
+    public function has()
+    {
+    }
+
+    public function implode()
+    {
+    }
+
+    public function intersect()
+    {
+    }
+
+    public function isEmpty()
+    {
+    }
+
+    public function keyBy()
+    {
+    }
+
+    public function keys()
+    {
+    }
+
+    public function max()
+    {
+    }
+
+    public function min()
+    {
+    }
+
+    public function sum()
+    {
+    }
+
+    public function merge()
+    {
+    }
+
+    public function pop()
+    {
+    }
+
+    public function pull()
+    {
+    }
+
+    public function put()
+    {
+    }
+
+    public function random()
+    {
+    }
+
+    public function find()
+    {
+    }
+
+    public function shift()
+    {
+    }
+
+    public function shiffle()
+    {
+    }
+
+    public function slice()
+    {
+    }
+
+    public function splice()
+    {
+    }
+
+    public function sortBy()
+    {
+    }
+
+    public function push()
+    {
+    }
+
+    public function prepend()
+    {
+    }
+
+    /**
+     * Return the current element
+     * @link  http://php.net/manual/en/iterator.current.php
+     * @return mixed Can return any type.
+     * @since 5.0.0
+     */
+    public function current()
+    {
+        // TODO: Implement current() method.
+    }
+
+    /**
+     * Move forward to next element
+     * @link  http://php.net/manual/en/iterator.next.php
+     * @return void Any returned value is ignored.
+     * @since 5.0.0
+     */
+    public function next()
+    {
+        // TODO: Implement next() method.
+    }
+
+    /**
+     * Return the key of the current element
+     * @link  http://php.net/manual/en/iterator.key.php
+     * @return mixed scalar on success, or null on failure.
+     * @since 5.0.0
+     */
+    public function key()
+    {
+        // TODO: Implement key() method.
+    }
+
+    /**
+     * Checks if current position is valid
+     * @link  http://php.net/manual/en/iterator.valid.php
+     * @return boolean The return value will be casted to boolean and then evaluated.
+     * Returns true on success or false on failure.
+     * @since 5.0.0
+     */
+    public function valid()
+    {
+        // TODO: Implement valid() method.
+    }
+
+    /**
+     * Rewind the Iterator to the first element
+     * @link  http://php.net/manual/en/iterator.rewind.php
+     * @return void Any returned value is ignored.
+     * @since 5.0.0
+     */
+    public function rewind()
+    {
+        // TODO: Implement rewind() method.
+    }
+
+    /**
+     * Whether a offset exists
+     * @link  http://php.net/manual/en/arrayaccess.offsetexists.php
+     * @param mixed $offset <p>
+     *                      An offset to check for.
+     *                      </p>
+     * @return boolean true on success or false on failure.
+     *                      </p>
+     *                      <p>
+     *                      The return value will be casted to boolean if non-boolean was returned.
+     * @since 5.0.0
+     */
+    public function offsetExists($offset)
+    {
+        // TODO: Implement offsetExists() method.
+    }
+
+    /**
+     * Offset to retrieve
+     * @link  http://php.net/manual/en/arrayaccess.offsetget.php
+     * @param mixed $offset <p>
+     *                      The offset to retrieve.
+     *                      </p>
+     * @return mixed Can return all value types.
+     * @since 5.0.0
+     */
+    public function offsetGet($offset)
+    {
+        // TODO: Implement offsetGet() method.
+    }
+
+    /**
+     * Offset to set
+     * @link  http://php.net/manual/en/arrayaccess.offsetset.php
+     * @param mixed $offset <p>
+     *                      The offset to assign the value to.
+     *                      </p>
+     * @param mixed $value  <p>
+     *                      The value to set.
+     *                      </p>
+     * @return void
+     * @since 5.0.0
+     */
+    public function offsetSet($offset, $value)
+    {
+        // TODO: Implement offsetSet() method.
+    }
+
+    /**
+     * Offset to unset
+     * @link  http://php.net/manual/en/arrayaccess.offsetunset.php
+     * @param mixed $offset <p>
+     *                      The offset to unset.
+     *                      </p>
+     * @return void
+     * @since 5.0.0
+     */
+    public function offsetUnset($offset)
+    {
+        // TODO: Implement offsetUnset() method.
+    }
+}
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