ResponseFactory.php

<?php
 
namespace Http\Message;
 
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
 
interface ResponseFactory
{
    public function createResponse(
        $statusCode = 200,
        $reasonPhrase = null,
        array $headers = [],
        $body = null,
        $protocolVersion = '1.1'
    );
}