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<?php
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namespace GuzzleHttp\Cookie;
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use Psr\Http\Message\RequestInterface;
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use Psr\Http\Message\ResponseInterface;
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/**
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 * Stores HTTP cookies.
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 *
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 * It extracts cookies from HTTP requests, and returns them in HTTP responses.
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 * CookieJarInterface instances automatically expire contained cookies when
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 * necessary. Subclasses are also responsible for storing and retrieving
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 * cookies from a file, database, etc.
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 *
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 * @link https://docs.python.org/2/library/cookielib.html Inspiration
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 * @extends \IteratorAggregate<SetCookie>
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 */
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interface CookieJarInterface extends \Countable, \IteratorAggregate
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{
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    /**
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     * Create a request with added cookie headers.
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     *
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     * If no matching cookies are found in the cookie jar, then no Cookie
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     * header is added to the request and the same request is returned.
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     *
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     * @param RequestInterface $request Request object to modify.
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     *
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     * @return RequestInterface returns the modified request.
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     */
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    public function withCookieHeader(RequestInterface $request): RequestInterface;
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    /**
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     * Extract cookies from an HTTP response and store them in the CookieJar.
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     *
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     * @param RequestInterface  $request  Request that was sent
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     * @param ResponseInterface $response Response that was received
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     */
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    public function extractCookies(RequestInterface $request, ResponseInterface $response): void;
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    /**
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     * Sets a cookie in the cookie jar.
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     *
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     * @param SetCookie $cookie Cookie to set.
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     *
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     * @return bool Returns true on success or false on failure
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     */
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    public function setCookie(SetCookie $cookie): bool;
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    /**
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     * Remove cookies currently held in the cookie jar.
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     *
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     * Invoking this method without arguments will empty the whole cookie jar.
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     * If given a $domain argument only cookies belonging to that domain will
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     * be removed. If given a $domain and $path argument, cookies belonging to
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     * the specified path within that domain are removed. If given all three
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     * arguments, then the cookie with the specified name, path and domain is
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     * removed.
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     *
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     * @param string|null $domain Clears cookies matching a domain
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     * @param string|null $path   Clears cookies matching a domain and path
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     * @param string|null $name   Clears cookies matching a domain, path, and name
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     */
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    public function clear(?string $domain = null, ?string $path = null, ?string $name = null): void;
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    /**
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     * Discard all sessions cookies.
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     *
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     * Removes cookies that don't have an expire field or a have a discard
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     * field set to true. To be called when the user agent shuts down according
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     * to RFC 2965.
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     */
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    public function clearSessionCookies(): void;
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    /**
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     * Converts the cookie jar to an array.
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     */
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    public function toArray(): array;
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}