<?php
namespace OAuth\Common\Http\Client;
use OAuth\Common\Http\Uri\UriInterface;
use OAuth\Common\Http\Exception\TokenResponseException;
/**
* Any HTTP clients to be used with the library should implement this interface.
*/
interface ClientInterface
{
/**
* Any implementing HTTP providers should send a request to the provided endpoint with the parameters.
* They should return, in string form, the response body and throw an exception on error.
*
* @param UriInterface $endpoint
* @param mixed $requestBody
* @param array $extraHeaders
* @param string $method
*
* @return string
*
* @throws TokenResponseException
*/
public function retrieveResponse(
UriInterface $endpoint,
$requestBody,
array $extraHeaders = array(),
$method = 'POST'
);
}