<?php

namespace RdKafka\Metadata;

class Collection implements \Iterator, \Countable
{
    /**
     * @return mixed
     */
    public function current()
    {
    }

    /**
     * @return void
     */
    public function next()
    {
    }

    /**
     * @return mixed
     */
    public function key()
    {
    }

    /**
     * @return bool
     */
    public function valid()
    {
    }

    /**
     * @return void
     */
    public function rewind()
    {
    }

    /**
     * @return int
     */
    public function count()
    {
    }
}
