Http Response Factory
The above class is a factory class for creating and managing HTTP response in PHP. The ResponseFactory class is a PHP class that implements the ResponseInterface and is responsible for creating and managing HTTP responses.
The Response class is a PHP class that handles HTTP responses, including setting headers, body content, response codes, and handling redirects.
RequestInterface: The code is defining an interface called `ResponseInterface` within the `Emma\Http\Response`
namespace. This interface defines the methods available/accessible via the Factory.