<?php

class immutableRequest
{
    private $method;
    private $uri;
    private $protocolVersion;

    public function getMethod()
    {
        return $this->method;
    }

    public function withMethod($method)
    {
        $request = clone $this;
        $request->method = $method;

        return $request;
    }

    public function getUri()
    {
        return $this->uri;
    }

    public function withUri($uri)
    {
        $request = clone $this;
        $request->uri = $uri;

        return $request;
    }

    public function getProtocolVersion()
    {
        return $this->protocolVersion;
    }

    public function withProtocolVersion($protocolVersion)
    {
        $request = clone $this;
        $request->protocolVersion = $protocolVersion;

        return $request;
    }
}

class mutableRequest
{
    private $method;
    private $uri;
    private $protocolVersion;

    public function getMethod()
    {
        return $this->method;
    }

    public function setMethod($method)
    {
        $this->method = $method;
    }

    public function getUri()
    {
        return $this->uri;
    }

    public function setUri($uri)
    {
        $this->uri = $uri;
    }

    public function getProtocolVersion()
    {
        return $this->protocolVersion;
    }

    public function setProtocolVersion($protocolVersion)
    {
        $this->protocolVersion = $protocolVersion;
    }
}

class mutableChainedRequest
{
    private $method;
    private $uri;
    private $protocolVersion;

    public function getMethod()
    {
        return $this->method;
    }

    public function setMethod($method)
    {
        $this->method = $method;

        return $this;
    }

    public function getUri()
    {
        return $this->uri;
    }

    public function setUri($uri)
    {
        $this->uri = $uri;

        return $this;
    }

    public function getProtocolVersion()
    {
        return $this->protocolVersion;
    }

    public function setProtocolVersion($protocolVersion)
    {
        $this->protocolVersion = $protocolVersion;

        return $this;
    }
}