From: Michael Wallner <mike@php.net>
Date: Wed, 6 Mar 2019 15:16:24 +0000 (+0100)
Subject: stub fixes
X-Git-Url: https://git.m6w6.name/?a=commitdiff_plain;ds=sidebyside;h=85d3ca3fa10c24f9e2e21c0778b21e6126b724e0;p=mdref%2Fmdref-http

stub fixes
---

diff --git a/http.stub.php b/http.stub.php
new file mode 100644
index 0000000..3280989
--- /dev/null
+++ b/http.stub.php
@@ -0,0 +1,3219 @@
+<?php
+/**
+ * Extended HTTP support. Again.
+ * 
+ * * Introduces the http namespace.
+ * * PHP stream based message bodies.
+ * * Encapsulated env request/response.
+ * * Modular client support.
+ */
+namespace http;
+use http;
+/**
+ * The HTTP client. See http\Client\Curl's [options](http/Client/Curl#Options:) which is the only driver currently supported.
+ */
+class Client implements \SplSubject, \Countable {
+	/**
+	 * Debug callback's $data contains human readable text.
+	 */
+	const DEBUG_INFO = 0;
+	/**
+	 * Debug callback's $data contains data received.
+	 */
+	const DEBUG_IN = 1;
+	/**
+	 * Debug callback's $data contains data sent.
+	 */
+	const DEBUG_OUT = 2;
+	/**
+	 * Debug callback's $data contains headers.
+	 */
+	const DEBUG_HEADER = 16;
+	/**
+	 * Debug callback's $data contains a body part.
+	 */
+	const DEBUG_BODY = 32;
+	/**
+	 * Debug callback's $data contains SSL data.
+	 */
+	const DEBUG_SSL = 64;
+	/**
+	 * Attached observers.
+	 * 
+	 * @private
+	 * @var SplObjectStorage
+	 */
+	private $observers = NULL;
+	/**
+	 * Set options.
+	 * 
+	 * @protected
+	 * @var array
+	 */
+	protected $options = NULL;
+	/**
+	 * Request/response history.
+	 * 
+	 * @protected
+	 * @var http\Message
+	 */
+	protected $history = NULL;
+	/**
+	 * Whether to record history in http\Client::$history.
+	 * 
+	 * @public
+	 * @var bool
+	 */
+	public $recordHistory = false;
+	/**
+	 * Create a new HTTP client.
+	 * 
+	 * Currently only "curl" is supported as a $driver, and used by default.
+	 * Persisted resources identified by $persistent_handle_id will be re-used if available.
+	 * 
+	 * @param string $driver The HTTP client driver to employ. Currently only the default driver, "curl", is supported.
+	 * @param string $persistent_handle_id If supplied, created curl handles will be persisted with this identifier for later reuse.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @throws http\Exception\RuntimeException
+	 */
+	function __construct($driver = NULL, $persistent_handle_id = NULL) {}
+	/**
+	 * Add custom cookies.
+	 * See http\Client::setCookies().
+	 * 
+	 * @param array $cookies Custom cookies to add.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Client self.
+	 */
+	function addCookies($cookies = NULL) {}
+	/**
+	 * Add specific SSL options.
+	 * See http\Client::setSslOptions(), http\Client::setOptions() and http\Client\Curl\$ssl options.
+	 * 
+	 * @param array $ssl_options Add this SSL options.
+	 * @throws http\Exceptionc\InvalidArgumentException
+	 * @return http\Client self.
+	 */
+	function addSslOptions($ssl_options = NULL) {}
+	/**
+	 * Implements SplSubject. Attach another observer.
+	 * Attached observers will be notified with progress of each transfer.
+	 * 
+	 * @param SplObserver $observer An implementation of SplObserver.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Client self.
+	 */
+	function attach($observer) {}
+	/**
+	 * Configure the client's low level options.
+	 * 
+	 * > ***NOTE:***
+	 * > This method has been added in v2.3.0.
+	 * 
+	 * @param array $configuration Key/value pairs of low level options.
+	 *    See f.e. the [configuration options for the Curl driver](http/Client/Curl#Configuration:).
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Client self.
+	 */
+	function configure($configuration) {}
+	/**
+	 * Implements Countable. Retrieve the number of enqueued requests.
+	 * 
+	 * > ***NOTE:***
+	 * > The enqueued requests are counted without regard whether they are finished or not.
+	 * 
+	 * @return int number of enqueued requests.
+	 */
+	function count() {}
+	/**
+	 * Dequeue the http\Client\Request $request.
+	 * 
+	 * See http\Client::requeue(), if you want to requeue the request, instead of calling http\Client::dequeue() and then http\Client::enqueue().
+	 * 
+	 * @param http\Client\Request $request The request to cancel.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @throws http\Exception\RuntimeException
+	 * @return http\Client self.
+	 */
+	function dequeue($request) {}
+	/**
+	 * Implements SplSubject. Detach $observer, which has been previously attached.
+	 * 
+	 * @param SplObserver $observer Previously attached instance of SplObserver implementation.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Client self.
+	 */
+	function detach($observer) {}
+	/**
+	 * Enable usage of an event library like libevent, which might improve performance with big socket sets.
+	 * 
+	 * > ***NOTE:***
+	 * > This method has been deprecated in 2.3.0, please use http\Client::configure() instead.
+	 * 
+	 * @param bool $enable Whether to enable libevent usage.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Client self.
+	 * @@deprecated
+	 */
+	function enableEvents($enable = true) {}
+	/**
+	 * Enable sending pipelined requests to the same host if the driver supports it.
+	 * 
+	 * > ***NOTE:***
+	 * > This method has been deprecated in 2.3.0, please use http\Client::configure() instead.
+	 * 
+	 * @param bool $enable Whether to enable pipelining.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Client self.
+	 * @@deprecated
+	 */
+	function enablePipelining($enable = true) {}
+	/**
+	 * Add another http\Client\Request to the request queue.
+	 * If the optional callback $cb returns true, the request will be automatically dequeued.
+	 * 
+	 * > ***Note:***
+	 * > The http\Client\Response object resulting from the request is always stored
+	 * > internally to be retreived at a later time, __even__ when $cb is used.
+	 * >
+	 * > If you are about to send a lot of requests and do __not__ need the response
+	 * > after executing the callback, you can use http\Client::getResponse() within
+	 * > the callback to keep the memory usage level as low as possible.
+	 * 
+	 * See http\Client::dequeue() and http\Client::send().
+	 * 
+	 * @param http\Client\Request $request The request to enqueue.
+	 * @param callable $cb A callback to automatically call when the request has finished.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @throws http\Exception\RuntimeException
+	 * @return http\Client self.
+	 */
+	function enqueue($request, $cb = NULL) {}
+	/**
+	 * Get a list of available configuration options and their default values.
+	 * 
+	 * See f.e. the [configuration options for the Curl driver](http/Client/Curl#Configuration:).
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return array list of key/value pairs of available configuarion options and their default values.
+	 */
+	function getAvailableConfiguration() {}
+	/**
+	 * List available drivers.
+	 * 
+	 * @return array list of supported drivers.
+	 */
+	function getAvailableDrivers() {}
+	/**
+	 * Retrieve a list of available request options and their default values.
+	 * 
+	 * See f.e. the [request options for the Curl driver](http/Client/Curl#Options:).
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return array list of key/value pairs of available request options and their default values.
+	 */
+	function getAvailableOptions() {}
+	/**
+	 * Get priorly set custom cookies.
+	 * See http\Client::setCookies().
+	 * 
+	 * @return array custom cookies.
+	 */
+	function getCookies() {}
+	/**
+	 * Simply returns the http\Message chain representing the request/response history.
+	 * 
+	 * > ***NOTE:***
+	 * > The history is only recorded while http\Client::$recordHistory is true.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Message the request/response message chain representing the client's history.
+	 */
+	function getHistory() {}
+	/**
+	 * Returns the SplObjectStorage holding attached observers.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return SplObjectStorage observer storage.
+	 */
+	function getObservers() {}
+	/**
+	 * Get priorly set options.
+	 * See http\Client::setOptions().
+	 * 
+	 * @return array options.
+	 */
+	function getOptions() {}
+	/**
+	 * Retrieve the progress information for $request.
+	 * 
+	 * @param http\Client\Request $request The request to retrieve the current progress information for.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return object|NULL stdClass instance holding progress information.
+	 * 	 or NULL if $request is not enqueued.
+	 */
+	function getProgressInfo($request) {}
+	/**
+	 * Retrieve the corresponding reponse of an already finished request, or the last received response if $request is not set.
+	 * 
+	 * > ***NOTE:***
+	 * > If $request is NULL, then the response is removed from the internal storage (stack-like operation).
+	 * 
+	 * @param http\Client\Request $request The request to fetch the stored response for.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Client\Response|NULL the stored response for the request, or the last that was received.
+	 * 	 or NULL if no more response was available to pop, when no $request was given.
+	 */
+	function getResponse($request = NULL) {}
+	/**
+	 * Retrieve priorly set SSL options.
+	 * See http\Client::getOptions() and http\Client::setSslOptions().
+	 * 
+	 * @return array SSL options.
+	 */
+	function getSslOptions() {}
+	/**
+	 * Get transfer related informatioin for a running or finished request.
+	 * 
+	 * @param http\Client\Request $request The request to probe for transfer info.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return object stdClass instance holding transfer related information.
+	 */
+	function getTransferInfo($request) {}
+	/**
+	 * Implements SplSubject. Notify attached observers about progress with $request.
+	 * 
+	 * @param http\Client\Request $request The request to notify about.
+	 * @param object $progress stdClass instance holding progress information.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Client self.
+	 */
+	function notify($request = NULL, $progress = NULL) {}
+	/**
+	 * Perform outstanding transfer actions.
+	 * See http\Client::wait() for the completing interface.
+	 * 
+	 * @return bool true if there are more transfers to complete.
+	 */
+	function once() {}
+	/**
+	 * Requeue an http\Client\Request.
+	 * 
+	 * The difference simply is, that this method, in contrast to http\Client::enqueue(), does not throw an http\Exception when the request to queue is already enqueued and dequeues it automatically prior enqueueing it again.
+	 * 
+	 * @param http\Client\Request $request The request to queue.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\RuntimeException
+	 * @return http\Client self.
+	 */
+	function requeue($request) {}
+	/**
+	 * Reset the client to the initial state.
+	 * 
+	 * @return http\Client self.
+	 */
+	function reset() {}
+	/**
+	 * Send all enqueued requests.
+	 * See http\Client::once() and http\Client::wait() for a more fine grained interface.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\RuntimeException
+	 * @return http\Client self.
+	 */
+	function send() {}
+	/**
+	 * Set custom cookies.
+	 * See http\Client::addCookies() and http\Client::getCookies().
+	 * 
+	 * @param array $cookies Set the custom cookies to this array.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Client self.
+	 */
+	function setCookies($cookies = NULL) {}
+	/**
+	 * Set client debugging callback.
+	 * 
+	 * > ***NOTE:***
+	 * > This method has been added in v2.6.0, resp. v3.1.0.
+	 * 
+	 * @param callable $callback as function(http\Client $c, http\Client\Request $r, int $type, string $data)
+	 *   The debug callback. For $type see http\Client::DEBUG_* constants.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Client self.
+	 */
+	function setDebug($callback) {}
+	/**
+	 * Set client options.
+	 * See http\Client\Curl.
+	 * 
+	 * > ***NOTE:***
+	 * > Only options specified prior enqueueing a request are applied to the request.
+	 * 
+	 * @param array $options The options to set.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Client self.
+	 */
+	function setOptions($options = NULL) {}
+	/**
+	 * Specifically set SSL options.
+	 * See http\Client::setOptions() and http\Client\Curl\$ssl options.
+	 * 
+	 * @param array $ssl_options Set SSL options to this array.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Client self.
+	 */
+	function setSslOptions($ssl_options = NULL) {}
+	/**
+	 * Wait for $timeout seconds for transfers to provide data.
+	 * This is the completion call to http\Client::once().
+	 * 
+	 * @param float $timeout Seconds to wait for data on open sockets.
+	 * @return bool success.
+	 */
+	function wait($timeout = 0) {}
+}
+/**
+ * A class representing a list of cookies with specific attributes.
+ */
+class Cookie  {
+	/**
+	 * Do not decode cookie contents.
+	 */
+	const PARSE_RAW = 1;
+	/**
+	 * The cookies' flags have the secure attribute set.
+	 */
+	const SECURE = 16;
+	/**
+	 * The cookies' flags have the httpOnly attribute set.
+	 */
+	const HTTPONLY = 32;
+	/**
+	 * Create a new cookie list.
+	 * 
+	 * @param mixed $cookies The string or list of cookies to parse or set.
+	 * @param int $flags Parse flags. See http\Cookie::PARSE_* constants.
+	 * @param array $allowed_extras List of extra attribute names to recognize.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\RuntimeException
+	 */
+	function __construct($cookies = NULL, $flags = 0, $allowed_extras = NULL) {}
+	/**
+	 * String cast handler. Alias of http\Cookie::toString().
+	 * 
+	 * @return string the cookie(s) represented as string.
+	 */
+	function __toString() {}
+	/**
+	 * Add a cookie.
+	 * See http\Cookie::setCookie() and http\Cookie::addCookies().
+	 * 
+	 * @param string $cookie_name The key of the cookie.
+	 * @param string $cookie_value The value of the cookie.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function addCookie($cookie_name, $cookie_value) {}
+	/**
+	 * (Re)set the cookies.
+	 * See http\Cookie::setCookies().
+	 * 
+	 * @param array $cookies Add cookies of this array of form ["name" => "value"].
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function addCookies($cookies) {}
+	/**
+	 * Add an extra attribute to the cookie list.
+	 * See http\Cookie::setExtra().
+	 * 
+	 * @param string $extra_name The key of the extra attribute.
+	 * @param string $extra_value The value of the extra attribute.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function addExtra($extra_name, $extra_value) {}
+	/**
+	 * Add several extra attributes.
+	 * See http\Cookie::addExtra().
+	 * 
+	 * @param array $extras A list of extra attributes of the form ["key" => "value"].
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function addExtras($extras) {}
+	/**
+	 * Retrieve a specific cookie value.
+	 * See http\Cookie::setCookie().
+	 * 
+	 * @param string $cookie_name The key of the cookie to look up.
+	 * @return string|NULL the cookie value.
+	 * 	 or NULL if $cookie_name could not be found.
+	 */
+	function getCookie($cookie_name) {}
+	/**
+	 * Get the list of cookies.
+	 * See http\Cookie::setCookies().
+	 * 
+	 * @return array the list of cookies of form ["name" => "value"].
+	 */
+	function getCookies() {}
+	/**
+	 * Retrieve the effective domain of the cookie list.
+	 * See http\Cookie::setDomain().
+	 * 
+	 * @return string the effective domain.
+	 */
+	function getDomain() {}
+	/**
+	 * Get the currently set expires attribute.
+	 * See http\Cookie::setExpires().
+	 * 
+	 * > ***NOTE:***
+	 * > A return value of -1 means that the attribute is not set.
+	 * 
+	 * @return int the currently set expires attribute as seconds since the epoch.
+	 */
+	function getExpires() {}
+	/**
+	 * Retrieve an extra attribute.
+	 * See http\Cookie::setExtra().
+	 * 
+	 * @param string $name The key of the extra attribute.
+	 * @return string the value of the extra attribute.
+	 */
+	function getExtra($name) {}
+	/**
+	 * Retrieve the list of extra attributes.
+	 * See http\Cookie::setExtras().
+	 * 
+	 * @return array the list of extra attributes of the form ["key" => "value"].
+	 */
+	function getExtras() {}
+	/**
+	 * Get the currently set flags.
+	 * See http\Cookie::SECURE and http\Cookie::HTTPONLY constants.
+	 * 
+	 * @return int the currently set flags bitmask.
+	 */
+	function getFlags() {}
+	/**
+	 * Get the currently set max-age attribute of the cookie list.
+	 * See http\Cookie::setMaxAge().
+	 * 
+	 * > ***NOTE:***
+	 * > A return value of -1 means that the attribute is not set.
+	 * 
+	 * @return int the currently set max-age.
+	 */
+	function getMaxAge() {}
+	/**
+	 * Retrieve the path the cookie(s) of this cookie list are effective at.
+	 * See http\Cookie::setPath().
+	 * 
+	 * @return string the effective path.
+	 */
+	function getPath() {}
+	/**
+	 * (Re)set a cookie.
+	 * See http\Cookie::addCookie() and http\Cookie::setCookies().
+	 * 
+	 * > ***NOTE:***
+	 * > The cookie will be deleted from the list if $cookie_value is NULL.
+	 * 
+	 * @param string $cookie_name The key of the cookie.
+	 * @param string $cookie_value The value of the cookie.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setCookie($cookie_name, $cookie_value) {}
+	/**
+	 * (Re)set the cookies.
+	 * See http\Cookie::addCookies().
+	 * 
+	 * @param array $cookies Set the cookies to this array.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setCookies($cookies = NULL) {}
+	/**
+	 * Set the effective domain of the cookie list.
+	 * See http\Cookie::setPath().
+	 * 
+	 * @param string $value The domain the cookie(s) belong to.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setDomain($value = NULL) {}
+	/**
+	 * Set the traditional expires timestamp.
+	 * See http\Cookie::setMaxAge() for a safer alternative.
+	 * 
+	 * @param int $value The expires timestamp as seconds since the epoch.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setExpires($value = -1) {}
+	/**
+	 * (Re)set an extra attribute.
+	 * See http\Cookie::addExtra().
+	 * 
+	 * > ***NOTE:***
+	 * > The attribute will be removed from the extras list if $extra_value is NULL.
+	 * 
+	 * @param string $extra_name The key of the extra attribute.
+	 * @param string $extra_value The value of the extra attribute.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setExtra($extra_name, $extra_value = NULL) {}
+	/**
+	 * (Re)set the extra attributes.
+	 * See http\Cookie::addExtras().
+	 * 
+	 * @param array $extras Set the extra attributes to this array.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setExtras($extras = NULL) {}
+	/**
+	 * Set the flags to specified $value.
+	 * See http\Cookie::SECURE and http\Cookie::HTTPONLY constants.
+	 * 
+	 * @param int $value The new flags bitmask.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setFlags($value = 0) {}
+	/**
+	 * Set the maximum age the cookie may have on the client side.
+	 * This is a client clock departure safe alternative to the "expires" attribute.
+	 * See http\Cookie::setExpires().
+	 * 
+	 * @param int $value The max-age in seconds.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setMaxAge($value = -1) {}
+	/**
+	 * Set the path the cookie(s) of this cookie list should be effective at.
+	 * See http\Cookie::setDomain().
+	 * 
+	 * @param string $path The URL path the cookie(s) should take effect within.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Cookie self.
+	 */
+	function setPath($path = NULL) {}
+	/**
+	 * Get the cookie list as array.
+	 * 
+	 * @return array the cookie list as array.
+	 */
+	function toArray() {}
+	/**
+	 * Retrieve the string representation of the cookie list.
+	 * See http\Cookie::toArray().
+	 * 
+	 * @return string the cookie list as string.
+	 */
+	function toString() {}
+}
+/**
+ * 
+ */
+namespace http\Encoding;
+namespace http;
+/**
+ * The http\Env class provides static methods to manipulate and inspect the server's current request's HTTP environment.
+ */
+class Env  {
+	/**
+	 * Retreive the current HTTP request's body.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Message\Body instance representing the request body
+	 */
+	function getRequestBody() {}
+	/**
+	 * Retrieve one or all headers of the current HTTP request.
+	 * 
+	 * @return NULL|string|array if $header_name was not found
+	 * 	 or string the compound header when $header_name was found
+	 * 	 or array of all headers if $header_name was not specified
+	 */
+	function getRequestHeader() {}
+	/**
+	 * Get the HTTP response code to send.
+	 * 
+	 * @return int the HTTP response code.
+	 */
+	function getResponseCode() {}
+	/**
+	 * Get one or all HTTP response headers to be sent.
+	 * 
+	 * @return string|NULL|array the compound value of the response header to send
+	 * 	 or NULL if the header was not found
+	 * 	 or array of all response headers, if $header_name was not specified
+	 */
+	function getResponseHeader() {}
+	/**
+	 * Retrieve a list of all known HTTP response status.
+	 * 
+	 * @return array mapping of the form \[
+	 *   ...
+	 *   int $code => string $status
+	 *   ...
+	 *   \]
+	 */
+	function getResponseStatusForAllCodes() {}
+	/**
+	 * Retrieve the string representation of specified HTTP response code.
+	 * 
+	 * @return string|empty the HTTP response status message
+	 * 	 or empty string, if no message for this code was found
+	 */
+	function getResponseStatusForCode() {}
+	/**
+	 * Generic negotiator. For specific client negotiation see http\Env::negotiateContentType() and related methods.
+	 * 
+	 * > ***NOTE:***
+	 * > The first elemement of $supported serves as a default if no operand matches.
+	 * 
+	 * @param string $params HTTP header parameter's value to negotiate.
+	 * @param array $supported List of supported negotiation operands.
+	 * @param string $prim_typ_sep A "primary type separator", i.e. that would be a hyphen for content language negotiation (en-US, de-DE, etc.).
+	 * @return NULL|string if negotiation fails.
+	 * 	 or string the closest match negotiated, or the default (first entry of $supported).
+	 */
+	function negotiate($params, $supported, $prim_typ_sep = NULL) {}
+	/**
+	 * Negotiate the client's preferred character set.
+	 * 
+	 * > ***NOTE:***
+	 * > The first elemement of $supported character sets serves as a default if no character set matches.
+	 * 
+	 * @param array $supported List of supported content character sets.
+	 * @return NULL|string if negotiation fails.
+	 * 	 or string the negotiated character set.
+	 */
+	function negotiateCharset($supported) {}
+	/**
+	 * Negotiate the client's preferred MIME content type.
+	 * 
+	 * > ***NOTE:***
+	 * > The first elemement of $supported content types serves as a default if no content-type matches.
+	 * 
+	 * @param array $supported List of supported MIME content types.
+	 * @return NULL|string if negotiation fails.
+	 * 	 or string the negotiated content type.
+	 */
+	function negotiateContentType($supported) {}
+	/**
+	 * Negotiate the client's preferred encoding.
+	 * 
+	 * > ***NOTE:***
+	 * > The first elemement of $supported encodings serves as a default if no encoding matches.
+	 * 
+	 * @param array $supported List of supported content encodings.
+	 * @return NULL|string if negotiation fails.
+	 * 	 or string the negotiated encoding.
+	 */
+	function negotiateEncoding($supported) {}
+	/**
+	 * Negotiate the client's preferred language.
+	 * 
+	 * > ***NOTE:***
+	 * > The first elemement of $supported languages serves as a default if no language matches.
+	 * 
+	 * @param array $supported List of supported content languages.
+	 * @return NULL|string if negotiation fails.
+	 * 	 or string the negotiated language.
+	 */
+	function negotiateLanguage($supported) {}
+	/**
+	 * Set the HTTP response code to send.
+	 * 
+	 * @param int $code The HTTP response status code.
+	 * @return bool Success.
+	 */
+	function setResponseCode($code) {}
+	/**
+	 * Set a response header, either replacing a prior set header, or appending the new header value, depending on $replace.
+	 * 
+	 * If no $header_value is specified, or $header_value is NULL, then a previously set header with the same key will be deleted from the list.
+	 * 
+	 * If $response_code is not 0, the response status code is updated accordingly.
+	 * 
+	 * @return bool Success.
+	 */
+	function setResponseHeader() {}
+}
+/**
+ * The http extension's Exception interface.
+ * 
+ * Use it to catch any Exception thrown by pecl/http.
+ * 
+ * The individual exception classes extend their equally named native PHP extensions, if such exist, and implement this empty interface. For example the http\Exception\BadMethodCallException extends SPL's BadMethodCallException.
+ */
+interface Exception  {
+}
+/**
+ * The http\Header class provides methods to manipulate, match, negotiate and serialize HTTP headers.
+ */
+class Header implements \Serializable {
+	/**
+	 * None of the following match constraints applies.
+	 */
+	const MATCH_LOOSE = 0;
+	/**
+	 * Perform case sensitive matching.
+	 */
+	const MATCH_CASE = 1;
+	/**
+	 * Match only on word boundaries (according by CType alpha-numeric).
+	 */
+	const MATCH_WORD = 16;
+	/**
+	 * Match the complete string.
+	 */
+	const MATCH_FULL = 32;
+	/**
+	 * Case sensitively match the full string (same as MATCH_CASE|MATCH_FULL).
+	 */
+	const MATCH_STRICT = 33;
+	/**
+	 * The name of the HTTP header.
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $name = NULL;
+	/**
+	 * The value of the HTTP header.
+	 * 
+	 * @public
+	 * @var mixed
+	 */
+	public $value = NULL;
+	/**
+	 * Create an http\Header instance for use of simple matching or negotiation. If the value of the header is an array it may be compounded to a single comma separated string.
+	 * 
+	 * @param string $name The HTTP header name.
+	 * @param mixed $value The value of the header.
+	 * 
+	 * # Throws:
+	 */
+	function __construct($name = NULL, $value = NULL) {}
+	/**
+	 * String cast handler. Alias of http\Header::serialize().
+	 * 
+	 * @return string the serialized form of the HTTP header (i.e. "Name: value").
+	 */
+	function __toString() {}
+	/**
+	 * Create a parameter list out of the HTTP header value.
+	 * 
+	 * @param mixed $ps The parameter separator(s).
+	 * @param mixed $as The argument separator(s).
+	 * @param mixed $vs The value separator(s).
+	 * @param int $flags The modus operandi. See http\Params constants.
+	 * @return http\Params instance
+	 */
+	function getParams($ps = NULL, $as = NULL, $vs = NULL, $flags = NULL) {}
+	/**
+	 * Match the HTTP header's value against provided $value according to $flags.
+	 * 
+	 * @param string $value The comparison value.
+	 * @param int $flags The modus operandi. See http\Header constants.
+	 * @return bool whether $value matches the header value according to $flags.
+	 */
+	function match($value, $flags = NULL) {}
+	/**
+	 * Negotiate the header's value against a list of supported values in $supported.
+	 * Negotiation operation is adopted according to the header name, i.e. if the
+	 * header being negotiated is Accept, then a slash is used as primary type
+	 * separator, and if the header is Accept-Language respectively, a hyphen is
+	 * used instead.
+	 * 
+	 * > ***NOTE:***
+	 * > The first elemement of $supported serves as a default if no operand matches.
+	 * 
+	 * @param array $supported The list of supported values to negotiate.
+	 * @return NULL|string if negotiation fails.
+	 * 	 or string the closest match negotiated, or the default (first entry of $supported).
+	 */
+	function negotiate($supported) {}
+	/**
+	 * Parse HTTP headers.
+	 * See also http\Header\Parser.
+	 * 
+	 * @param string $header The complete string of headers.
+	 * @param string $header_class A class extending http\Header.
+	 * @return array|false of parsed headers, where the elements are instances of $header_class if specified.
+	 * 	 or false if parsing fails.
+	 */
+	function parse($header, $header_class = NULL) {}
+	/**
+	 * Implements Serializable.
+	 * 
+	 * @return string serialized representation of HTTP header (i.e. "Name: value")
+	 */
+	function serialize() {}
+	/**
+	 * Convenience method. Alias of http\Header::serialize().
+	 * 
+	 * @return string the serialized form of the HTTP header (i.e. "Name: value").
+	 */
+	function toString() {}
+	/**
+	 * Implements Serializable.
+	 * 
+	 * @param string $serialized The serialized HTTP header (i.e. "Name: value")
+	 */
+	function unserialize($serialized) {}
+}
+/**
+ * The message class builds the foundation for any request and response message.
+ * 
+ * See http\Client\Request and http\Client\Response, as well as http\Env\Request and http\Env\Response.
+ */
+class Message implements \Countable, \Serializable, \Iterator {
+	/**
+	 * No specific type of message.
+	 */
+	const TYPE_NONE = 0;
+	/**
+	 * A request message.
+	 */
+	const TYPE_REQUEST = 1;
+	/**
+	 * A response message.
+	 */
+	const TYPE_RESPONSE = 2;
+	/**
+	 * The message type. See http\Message::TYPE_* constants.
+	 * 
+	 * @protected
+	 * @var int
+	 */
+	protected $type = http\Message::TYPE_NONE;
+	/**
+	 * The message's body.
+	 * 
+	 * @protected
+	 * @var http\Message\Body
+	 */
+	protected $body = NULL;
+	/**
+	 * The request method if the message is of type request.
+	 * 
+	 * @protected
+	 * @var string
+	 */
+	protected $requestMethod = "";
+	/**
+	 * The request url if the message is of type request.
+	 * 
+	 * @protected
+	 * @var string
+	 */
+	protected $requestUrl = "";
+	/**
+	 * The respose status phrase if the message is of type response.
+	 * 
+	 * @protected
+	 * @var string
+	 */
+	protected $responseStatus = "";
+	/**
+	 * The response code if the message is of type response.
+	 * 
+	 * @protected
+	 * @var int
+	 */
+	protected $responseCode = 0;
+	/**
+	 * A custom HTTP protocol version.
+	 * 
+	 * @protected
+	 * @var string
+	 */
+	protected $httpVersion = NULL;
+	/**
+	 * Any message headers.
+	 * 
+	 * @protected
+	 * @var array
+	 */
+	protected $headers = NULL;
+	/**
+	 * Any parent message.
+	 * 
+	 * @protected
+	 * @var http\Message
+	 */
+	protected $parentMessage;
+	/**
+	 * Create a new HTTP message.
+	 * 
+	 * @param mixed $message Either a resource or a string, representing the HTTP message.
+	 * @param bool $greedy Whether to read from a $message resource until EOF.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMessageException
+	 */
+	function __construct($message = NULL, $greedy = true) {}
+	/**
+	 * Retrieve the message serialized to a string.
+	 * Alias of http\Message::toString().
+	 * 
+	 * @return string the single serialized HTTP message.
+	 */
+	function __toString() {}
+	/**
+	 * Append the data of $body to the message's body.
+	 * See http\Message::setBody() and http\Message\Body::append().
+	 * 
+	 * @param http\Message\Body $body The message body to add.
+	 * @return http\Message self.
+	 */
+	function addBody($body) {}
+	/**
+	 * Add an header, appending to already existing headers.
+	 * See http\Message::addHeaders() and http\Message::setHeader().
+	 * 
+	 * @param string $name The header name.
+	 * @param mixed $value The header value.
+	 * @return http\Message self.
+	 */
+	function addHeader($name, $value) {}
+	/**
+	 * Add headers, optionally appending values, if header keys already exist.
+	 * See http\Message::addHeader() and http\Message::setHeaders().
+	 * 
+	 * @param array $headers The HTTP headers to add.
+	 * @param bool $append Whether to append values for existing headers.
+	 * @return http\Message self.
+	 */
+	function addHeaders($headers, $append = false) {}
+	/**
+	 * Implements Countable.
+	 * 
+	 * @return int the count of messages in the chain above the current message.
+	 */
+	function count() {}
+	/**
+	 * Implements iterator.
+	 * See http\Message::valid() and http\Message::rewind().
+	 * 
+	 * @return http\Message the current message in the iterated message chain.
+	 */
+	function current() {}
+	/**
+	 * Detach a clone of this message from any message chain.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Message clone.
+	 */
+	function detach() {}
+	/**
+	 * Retrieve the message's body.
+	 * See http\Message::setBody().
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueEcxeption
+	 * @return http\Message\Body the message body.
+	 */
+	function getBody() {}
+	/**
+	 * Retrieve a single header, optionally hydrated into a http\Header extending class.
+	 * 
+	 * @param string $header The header's name.
+	 * @param string $into_class The name of a class extending http\Header.
+	 * @return mixed|http\Header the header value if $into_class is NULL.
+	 * 	 or http\Header descendant.
+	 */
+	function getHeader($header, $into_class = NULL) {}
+	/**
+	 * Retrieve all message headers.
+	 * See http\Message::setHeaders() and http\Message::getHeader().
+	 * 
+	 * @return array the message's headers.
+	 */
+	function getHeaders() {}
+	/**
+	 * Retreive the HTTP protocol version of the message.
+	 * See http\Message::setHttpVersion().
+	 * 
+	 * @return string the HTTP protocol version, e.g. "1.0"; defaults to "1.1".
+	 */
+	function getHttpVersion() {}
+	/**
+	 * Retrieve the first line of a request or response message.
+	 * See http\Message::setInfo and also:
+	 * 
+	 * * http\Message::getType()
+	 * * http\Message::getHttpVersion()
+	 * * http\Message::getResponseCode()
+	 * * http\Message::getResponseStatus()
+	 * * http\Message::getRequestMethod()
+	 * * http\Message::getRequestUrl()
+	 */
+	function getInfo() {}
+	/**
+	 * Retrieve any parent message.
+	 * See http\Message::reverse().
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @return http /Message, the parent message.
+	 */
+	function getParentMessage() {}
+	/**
+	 * Retrieve the request method of the message.
+	 * See http\Message::setRequestMethod() and http\Message::getRequestUrl().
+	 * 
+	 * @return string|false the request method.
+	 * 	 or false if the message was not of type request.
+	 */
+	function getRequestMethod() {}
+	/**
+	 * Retrieve the request URL of the message.
+	 * See http\Message::setRequestUrl().
+	 * 
+	 * @return string|false the request URL; usually the path and the querystring.
+	 * 	 or false if the message was not of type request.
+	 */
+	function getRequestUrl() {}
+	/**
+	 * Retrieve the response code of the message.
+	 * See http\Message::setResponseCode() and http\Message::getResponseStatus().
+	 * 
+	 * @return int|false the response status code.
+	 * 	 or false if the message is not of type response.
+	 */
+	function getResponseCode() {}
+	/**
+	 * Retrieve the response status of the message.
+	 * See http\Message::setResponseStatus() and http\Message::getResponseCode().
+	 * 
+	 * @return string|false the response status phrase.
+	 * 	 or false if the message is not of type response.
+	 */
+	function getResponseStatus() {}
+	/**
+	 * Retrieve the type of the message.
+	 * See http\Message::setType() and http\Message::getInfo().
+	 * 
+	 * @return int the message type. See http\Message::TYPE_* constants.
+	 */
+	function getType() {}
+	/**
+	 * Check whether this message is a multipart message based on it's content type.
+	 * If the message is a multipart message and a reference $boundary is given, the boundary string of the multipart message will be stored in $boundary.
+	 * 
+	 * See http\Message::splitMultipartBody().
+	 * 
+	 * @return bool whether this is a message with a multipart "Content-Type".
+	 */
+	function isMultipart() {}
+	/**
+	 * Implements Iterator.
+	 * See http\Message::current() and http\Message::rewind().
+	 * 
+	 * @return int a non-sequential integer key.
+	 */
+	function key() {}
+	/**
+	 * Implements Iterator.
+	 * See http\Message::valid() and http\Message::rewind().
+	 */
+	function next() {}
+	/**
+	 * Prepend message(s) $message to this message, or the top most message of this message chain.
+	 * 
+	 * > ***NOTE:***
+	 * > The message chains must not overlap.
+	 * 
+	 * @param http\Message $message The message (chain) to prepend as parent messages.
+	 * @param bool $top Whether to prepend to the top-most parent message.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Message self.
+	 */
+	function prepend($message, $top = true) {}
+	/**
+	 * Reverse the message chain and return the former top-most message.
+	 * 
+	 * > ***NOTE:***
+	 * > Message chains are ordered in reverse-parsed order by default, i.e. the last parsed message is the message you'll receive from any call parsing HTTP messages.
+	 * >
+	 * > This call re-orders the messages of the chain and returns the message that was parsed first with any later parsed messages re-parentized.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Message the other end of the message chain.
+	 */
+	function reverse() {}
+	/**
+	 * Implements Iterator.
+	 */
+	function rewind() {}
+	/**
+	 * Implements Serializable.
+	 * 
+	 * @return string the serialized HTTP message.
+	 */
+	function serialize() {}
+	/**
+	 * Set the message's body.
+	 * See http\Message::getBody() and http\Message::addBody().
+	 * 
+	 * @param http\Message\Body $body The new message body.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Message self.
+	 */
+	function setBody($body) {}
+	/**
+	 * Set a single header.
+	 * See http\Message::getHeader() and http\Message::addHeader().
+	 * 
+	 * > ***NOTE:***
+	 * > Prior to v2.5.6/v3.1.0 headers with the same name were merged into a single
+	 * > header with values concatenated by comma.
+	 * 
+	 * @param string $header The header's name.
+	 * @param mixed $value The header's value. Removes the header if NULL.
+	 * @return http\Message self.
+	 */
+	function setHeader($header, $value = NULL) {}
+	/**
+	 * Set the message headers.
+	 * See http\Message::getHeaders() and http\Message::addHeaders().
+	 * 
+	 * > ***NOTE:***
+	 * > Prior to v2.5.6/v3.1.0 headers with the same name were merged into a single
+	 * > header with values concatenated by comma.
+	 * 
+	 * @param array $headers The message's headers.
+	 * @return http\Message null.
+	 */
+	function setHeaders($headers = NULL) {}
+	/**
+	 * Set the HTTP protocol version of the message.
+	 * See http\Message::getHttpVersion().
+	 * 
+	 * @param string $http_version The protocol version, e.g. "1.1", optionally prefixed by "HTTP/".
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadHeaderException
+	 * @return http\Message self.
+	 */
+	function setHttpVersion($http_version) {}
+	/**
+	 * Set the complete message info, i.e. type and response resp. request information, at once.
+	 * See http\Message::getInfo().
+	 * 
+	 * @param string $http_info The message info (first line of an HTTP message).
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadHeaderException
+	 * @return http\Message self.
+	 */
+	function setInfo($http_info) {}
+	/**
+	 * Set the request method of the message.
+	 * See http\Message::getRequestMethod() and http\Message::setRequestUrl().
+	 * 
+	 * @param string $method The request method.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @return http\Message self.
+	 */
+	function setRequestMethod($method) {}
+	/**
+	 * Set the request URL of the message.
+	 * See http\Message::getRequestUrl() and http\Message::setRequestMethod().
+	 * 
+	 * @param string $url The request URL.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @return http\Message self.
+	 */
+	function setRequestUrl($url) {}
+	/**
+	 * Set the response status code.
+	 * See http\Message::getResponseCode() and http\Message::setResponseStatus().
+	 * 
+	 * > ***NOTE:***
+	 * > This method also resets the response status phrase to the default for that code.
+	 * 
+	 * @param int $response_code The response code.
+	 * @param bool $strict Whether to check that the response code is between 100 and 599 inclusive.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @return http\Message self.
+	 */
+	function setResponseCode($response_code, $strict = true) {}
+	/**
+	 * Set the response status phrase.
+	 * See http\Message::getResponseStatus() and http\Message::setResponseCode().
+	 * 
+	 * @param string $response_status The status phrase.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @return http\Message self.
+	 */
+	function setResponseStatus($response_status) {}
+	/**
+	 * Set the message type and reset the message info.
+	 * See http\Message::getType() and http\Message::setInfo().
+	 * 
+	 * @param int $type The desired message type. See the http\Message::TYPE_* constants.
+	 * @return http\Message self.
+	 */
+	function setType($type) {}
+	/**
+	 * Splits the body of a multipart message.
+	 * See http\Message::isMultipart() and http\Message\Body::addPart().
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @throws http\Exception\BadMessageException
+	 * @return http\Message a message chain of all messages of the multipart body.
+	 */
+	function splitMultipartBody() {}
+	/**
+	 * Stream the message through a callback.
+	 * 
+	 * @param callable $callback The callback of the form function(http\Message $from, string $data).
+	 * @param int $offset Start to stream from this offset.
+	 * @param int $maxlen Stream at most $maxlen bytes, or all if $maxlen is less than 1.
+	 * @return http\Message self.
+	 */
+	function toCallback($callback, $offset = 0, $maxlen = 0) {}
+	/**
+	 * Stream the message into stream $stream, starting from $offset, streaming $maxlen at most.
+	 * 
+	 * @param resource $stream The resource to write to.
+	 * @param int $offset The starting offset.
+	 * @param int $maxlen The maximum amount of data to stream. All content if less than 1.
+	 * @return http\Message self.
+	 */
+	function toStream($stream, $offset = 0, $maxlen = 0) {}
+	/**
+	 * Retrieve the message serialized to a string.
+	 * 
+	 * @param bool $include_parent Whether to include all parent messages.
+	 * @return string the HTTP message chain serialized to a string.
+	 */
+	function toString($include_parent = false) {}
+	/**
+	 * Implements Serializable.
+	 * 
+	 * @param string $data The serialized message.
+	 */
+	function unserialize($data) {}
+	/**
+	 * Implements Iterator.
+	 * See http\Message::current() and http\Message::rewind().
+	 * 
+	 * @return bool whether http\Message::current() would not return NULL.
+	 */
+	function valid() {}
+}
+/**
+ * Parse, interpret and compose HTTP (header) parameters.
+ */
+class Params implements \ArrayAccess {
+	/**
+	 * The default parameter separator (",").
+	 */
+	const DEF_PARAM_SEP = ',';
+	/**
+	 * The default argument separator (";").
+	 */
+	const DEF_ARG_SEP = ';';
+	/**
+	 * The default value separator ("=").
+	 */
+	const DEF_VAL_SEP = '=';
+	/**
+	 * Empty param separator to parse cookies.
+	 */
+	const COOKIE_PARAM_SEP = '';
+	/**
+	 * Do not interpret the parsed parameters.
+	 */
+	const PARSE_RAW = 0;
+	/**
+	 * Interpret input as default formatted parameters.
+	 */
+	const PARSE_DEFAULT = 17;
+	/**
+	 * Urldecode single units of parameters, arguments and values.
+	 */
+	const PARSE_URLENCODED = 4;
+	/**
+	 * Parse sub dimensions indicated by square brackets.
+	 */
+	const PARSE_DIMENSION = 8;
+	/**
+	 * Parse URL querystring (same as http\Params::PARSE_URLENCODED|http\Params::PARSE_DIMENSION).
+	 */
+	const PARSE_QUERY = 12;
+	/**
+	 * Parse [RFC5987](http://tools.ietf.org/html/rfc5987) style encoded character set and language information embedded in HTTP header params.
+	 */
+	const PARSE_RFC5987 = 16;
+	/**
+	 * Parse [RFC5988](http://tools.ietf.org/html/rfc5988) (Web Linking) tags of Link headers.
+	 */
+	const PARSE_RFC5988 = 32;
+	/**
+	 * The (parsed) parameters.
+	 * 
+	 * @public
+	 * @var array
+	 */
+	public $params = NULL;
+	/**
+	 * The parameter separator(s).
+	 * 
+	 * @public
+	 * @var array
+	 */
+	public $param_sep = http\Params::DEF_PARAM_SEP;
+	/**
+	 * The argument separator(s).
+	 * 
+	 * @public
+	 * @var array
+	 */
+	public $arg_sep = http\Params::DEF_ARG_SEP;
+	/**
+	 * The value separator(s).
+	 * 
+	 * @public
+	 * @var array
+	 */
+	public $val_sep = http\Params::DEF_VAL_SEP;
+	/**
+	 * The modus operandi of the parser. See http\Params::PARSE_* constants.
+	 * 
+	 * @public
+	 * @var int
+	 */
+	public $flags = http\Params::PARSE_DEFAULT;
+	/**
+	 * Instantiate a new HTTP (header) parameter set.
+	 * 
+	 * @param mixed $params Pre-parsed parameters or a string to be parsed.
+	 * @param mixed $ps The parameter separator(s).
+	 * @param mixed $as The argument separator(s).
+	 * @param mixed $vs The value separator(s).
+	 * @param int $flags The modus operandi. See http\Params::PARSE_* constants.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\RuntimeException
+	 */
+	function __construct($params = NULL, $ps = NULL, $as = NULL, $vs = NULL, $flags = NULL) {}
+	/**
+	 * String cast handler. Alias of http\Params::toString().
+	 * Returns a stringified version of the parameters.
+	 * 
+	 * @return string version of the parameters.
+	 */
+	function __toString() {}
+	/**
+	 * Implements ArrayAccess.
+	 * 
+	 * @param string $name The offset to look after.
+	 * @return bool Existence.
+	 */
+	function offsetExists($name) {}
+	/**
+	 * Implements ArrayAccess.
+	 * 
+	 * @param string $name The offset to retrieve.
+	 * @return mixed contents at offset.
+	 */
+	function offsetGet($name) {}
+	/**
+	 * Implements ArrayAccess.
+	 * 
+	 * @param string $name The offset to modify.
+	 * @param mixed $value The value to set.
+	 */
+	function offsetSet($name, $value) {}
+	/**
+	 * Implements ArrayAccess.
+	 * 
+	 * @param string $name The offset to delete.
+	 */
+	function offsetUnset($name) {}
+	/**
+	 * Convenience method that simply returns http\Params::$params.
+	 * 
+	 * @return array of paramters.
+	 */
+	function toArray() {}
+	/**
+	 * Returns a stringified version of the parameters.
+	 * 
+	 * @return string version of the parameters.
+	 */
+	function toString() {}
+}
+/**
+ * The http\QueryString class provides versatile facilities to retrieve, use and manipulate query strings and form data.
+ */
+class QueryString implements \Serializable, \ArrayAccess, \IteratorAggregate {
+	/**
+	 * Cast requested value to bool.
+	 */
+	const TYPE_BOOL = 16;
+	/**
+	 * Cast requested value to int.
+	 */
+	const TYPE_INT = 4;
+	/**
+	 * Cast requested value to float.
+	 */
+	const TYPE_FLOAT = 5;
+	/**
+	 * Cast requested value to string.
+	 */
+	const TYPE_STRING = 6;
+	/**
+	 * Cast requested value to an array.
+	 */
+	const TYPE_ARRAY = 7;
+	/**
+	 * Cast requested value to an object.
+	 */
+	const TYPE_OBJECT = 8;
+	/**
+	 * The global instance. See http\QueryString::getGlobalInstance().
+	 * 
+	 * @private
+	 * @var http\QueryString
+	 */
+	private $instance = NULL;
+	/**
+	 * The data.
+	 * 
+	 * @private
+	 * @var array
+	 */
+	private $queryArray = NULL;
+	/**
+	 * Create an independent querystring instance.
+	 * 
+	 * @param mixed $params The query parameters to use or parse.
+	 * @throws http\Exception\BadQueryStringException
+	 */
+	function __construct($params = NULL) {}
+	/**
+	 * Retrieve an querystring value.
+	 * 
+	 * See http\QueryString::TYPE_* constants.
+	 * 
+	 * @param string $name The key to retrieve the value for.
+	 * @param mixed $type The type to cast the value to. See http\QueryString::TYPE_* constants.
+	 * @param mixed $defval The default value to return if the key $name does not exist.
+	 * @param bool $delete Whether to delete the entry from the querystring after retrieval.
+	 * @return http\QueryString|string|mixed if called without arguments.
+	 * 	 or string the whole querystring if $name is of zero length.
+	 * 	 or mixed $defval if the key $name does not exist.
+	 * 	 or mixed the querystring value cast to $type if $type was specified and the key $name exists.
+	 * 	 or string the querystring value if the key $name exists and $type is not specified or equals http\QueryString::TYPE_STRING.
+	 */
+	function get($name = NULL, $type = NULL, $defval = NULL, $delete = false) {}
+	/**
+	 * Retrieve an array value with at offset $name.
+	 * 
+	 * @param string $name The key to look up.
+	 * @param mixed $defval The default value to return if the offset $name does not exist.
+	 * @param bool $delete Whether to remove the key and value from the querystring after retrieval.
+	 * @return array|mixed the (casted) value.
+	 * 	 or mixed $defval if offset $name does not exist.
+	 */
+	function getArray($name, $defval = NULL, $delete = false) {}
+	/**
+	 * Retrieve a boolean value at offset $name.
+	 * 
+	 * @param string $name The key to look up.
+	 * @param mixed $defval The default value to return if the offset $name does not exist.
+	 * @param bool $delete Whether to remove the key and value from the querystring after retrieval.
+	 * @return bool|mixed the (casted) value.
+	 * 	 or mixed $defval if offset $name does not exist.
+	 */
+	function getBool($name, $defval = NULL, $delete = false) {}
+	/**
+	 * Retrieve a float value at offset $name.
+	 * 
+	 * @param string $name The key to look up.
+	 * @param mixed $defval The default value to return if the offset $name does not exist.
+	 * @param bool $delete Whether to remove the key and value from the querystring after retrieval.
+	 * @return float|mixed the (casted) value.
+	 * 	 or mixed $defval if offset $name does not exist.
+	 */
+	function getFloat($name, $defval = NULL, $delete = false) {}
+	/**
+	 * Retrieve the global querystring instance referencing $_GET.
+	 * 
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\QueryString the http\QueryString::$instance
+	 */
+	function getGlobalInstance() {}
+	/**
+	 * Retrieve a int value at offset $name.
+	 * 
+	 * @param string $name The key to look up.
+	 * @param mixed $defval The default value to return if the offset $name does not exist.
+	 * @param bool $delete Whether to remove the key and value from the querystring after retrieval.
+	 * @return int|mixed the (casted) value.
+	 * 	 or mixed $defval if offset $name does not exist.
+	 */
+	function getInt($name, $defval = NULL, $delete = false) {}
+	/**
+	 * Implements IteratorAggregate.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws InvalidArgumentException
+	 */
+	function getIterator() {}
+	/**
+	 * Retrieve a object value with at offset $name.
+	 * 
+	 * @param string $name The key to look up.
+	 * @param mixed $defval The default value to return if the offset $name does not exist.
+	 * @param bool $delete Whether to remove the key and value from the querystring after retrieval.
+	 * @return object|mixed the (casted) value.
+	 * 	 or mixed $defval if offset $name does not exist.
+	 */
+	function getObject($name, $defval = NULL, $delete = false) {}
+	/**
+	 * Retrieve a string value with at offset $name.
+	 * 
+	 * @param string $name The key to look up.
+	 * @param mixed $defval The default value to return if the offset $name does not exist.
+	 * @param bool $delete Whether to remove the key and value from the querystring after retrieval.
+	 * @return string|mixed the (casted) value.
+	 * 	 or mixed $defval if offset $name does not exist.
+	 */
+	function getString($name, $defval = NULL, $delete = false) {}
+	/**
+	 * Set additional $params to a clone of this instance.
+	 * See http\QueryString::set().
+	 * 
+	 * > ***NOTE:***
+	 * > This method returns a clone (copy) of this instance.
+	 * 
+	 * @param mixed $params Additional params as object, array or string to parse.
+	 * @throws http\Exception\BadQueryStringException
+	 * @return http\QueryString clone.
+	 */
+	function mod($params = NULL) {}
+	/**
+	 * Implements ArrayAccess.
+	 * 
+	 * @param string $name The offset to look up.
+	 * @return bool whether the key $name isset.
+	 */
+	function offsetExists($name) {}
+	/**
+	 * Implements ArrayAccess.
+	 * 
+	 * @param mixed $offset The offset to look up.
+	 * @return mixed|NULL the value locate at offset $name.
+	 * 	 or NULL if key $name could not be found.
+	 */
+	function offsetGet($offset) {}
+	/**
+	 * Implements ArrayAccess.
+	 * 
+	 * @param string $name The key to set the value for.
+	 * @param mixed $data The data to place at offset $name.
+	 */
+	function offsetSet($name, $data) {}
+	/**
+	 * Implements ArrayAccess.
+	 * 
+	 * @param string $name The offset to look up.
+	 */
+	function offsetUnset($name) {}
+	/**
+	 * Implements Serializable.
+	 * See http\QueryString::toString().
+	 * 
+	 * @return string the x-www-form-urlencoded querystring.
+	 */
+	function serialize() {}
+	/**
+	 * Set additional querystring entries.
+	 * 
+	 * @param mixed $params Additional params as object, array or string to parse.
+	 * @return http\QueryString self.
+	 */
+	function set($params) {}
+	/**
+	 * Simply returns http\QueryString::$queryArray.
+	 * 
+	 * @return array the $queryArray property.
+	 */
+	function toArray() {}
+	/**
+	 * Get the string represenation of the querystring (x-www-form-urlencoded).
+	 * 
+	 * @return string the x-www-form-urlencoded querystring.
+	 */
+	function toString() {}
+	/**
+	 * Implements Serializable.
+	 * 
+	 * @param string $serialized The x-www-form-urlencoded querystring.
+	 * @throws http\Exception
+	 */
+	function unserialize($serialized) {}
+	/**
+	 * Translate character encodings of the querystring with ext/iconv.
+	 * 
+	 * > ***NOTE:***
+	 * > This method is only available when ext/iconv support was enabled at build time.
+	 * 
+	 * @param string $from_enc The encoding to convert from.
+	 * @param string $to_enc The encoding to convert to.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadConversionException
+	 * @return http\QueryString self.
+	 */
+	function xlate($from_enc, $to_enc) {}
+}
+/**
+ * The http\Url class provides versatile means to parse, construct and manipulate URLs.
+ */
+class Url  {
+	/**
+	 * Replace parts of the old URL with parts of the new.
+	 */
+	const REPLACE = 0;
+	/**
+	 * Whether a relative path should be joined into the old path.
+	 */
+	const JOIN_PATH = 1;
+	/**
+	 * Whether the querystrings should be joined.
+	 */
+	const JOIN_QUERY = 2;
+	/**
+	 * Strip the user information from the URL.
+	 */
+	const STRIP_USER = 4;
+	/**
+	 * Strip the password from the URL.
+	 */
+	const STRIP_PASS = 8;
+	/**
+	 * Strip user and password information from URL (same as STRIP_USER|STRIP_PASS).
+	 */
+	const STRIP_AUTH = 12;
+	/**
+	 * Do not include the port.
+	 */
+	const STRIP_PORT = 32;
+	/**
+	 * Do not include the URL path.
+	 */
+	const STRIP_PATH = 64;
+	/**
+	 * Do not include the URL querystring.
+	 */
+	const STRIP_QUERY = 128;
+	/**
+	 * Strip the fragment (hash) from the URL.
+	 */
+	const STRIP_FRAGMENT = 256;
+	/**
+	 * Strip everything except scheme and host information.
+	 */
+	const STRIP_ALL = 492;
+	/**
+	 * Import initial URL parts from the SAPI environment.
+	 */
+	const FROM_ENV = 4096;
+	/**
+	 * Whether to sanitize the URL path (consolidate double slashes, directory jumps etc.)
+	 */
+	const SANITIZE_PATH = 8192;
+	/**
+	 * Parse UTF-8 encododed multibyte sequences.
+	 */
+	const PARSE_MBUTF8 = 131072;
+	/**
+	 * Parse locale encoded multibyte sequences (on systems with wide character support).
+	 */
+	const PARSE_MBLOC = 65536;
+	/**
+	 * Parse and convert multibyte hostnames according to IDNA (with IDNA support).
+	 */
+	const PARSE_TOIDN = 1048576;
+	/**
+	 * Explicitly request IDNA2003 implementation if available (libidn, idnkit or ICU).
+	 */
+	const PARSE_TOIDN_2003 = 9437184;
+	/**
+	 * Explicitly request IDNA2008 implementation if available (libidn2, idnkit2 or ICU).
+	 */
+	const PARSE_TOIDN_2008 = 5242880;
+	/**
+	 * Percent encode multibyte sequences in the userinfo, path, query and fragment parts of the URL.
+	 */
+	const PARSE_TOPCT = 2097152;
+	/**
+	 * Continue parsing when encountering errors.
+	 */
+	const IGNORE_ERRORS = 268435456;
+	/**
+	 * Suppress errors/exceptions.
+	 */
+	const SILENT_ERRORS = 536870912;
+	/**
+	 * Standard flags used by default internally for e.g. http\Message::setRequestUrl().
+	 *   Enables joining path and query, sanitizing path, multibyte/unicode, international domain names and transient percent encoding.
+	 */
+	const STDFLAGS = 3350531;
+	/**
+	 * The URL's scheme.
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $scheme = NULL;
+	/**
+	 * Authenticating user.
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $user = NULL;
+	/**
+	 * Authentication password.
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $pass = NULL;
+	/**
+	 * Hostname/domain.
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $host = NULL;
+	/**
+	 * Port.
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $port = NULL;
+	/**
+	 * URL path.
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $path = NULL;
+	/**
+	 * URL querystring.
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $query = NULL;
+	/**
+	 * URL fragment (hash).
+	 * 
+	 * @public
+	 * @var string
+	 */
+	public $fragment = NULL;
+	/**
+	 * Create an instance of an http\Url.
+	 * 
+	 * > ***NOTE:***
+	 * > Prior to v3.0.0, the default for the $flags parameter was http\Url::FROM_ENV.
+	 * 
+	 * See also http\Env\Url.
+	 * 
+	 * @param mixed $old_url Initial URL parts. Either an array, object, http\Url instance or string to parse.
+	 * @param mixed $new_url Overriding URL parts. Either an array, object, http\Url instance or string to parse.
+	 * @param int $flags The modus operandi of constructing the url. See http\Url constants.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadUrlException
+	 */
+	function __construct($old_url = NULL, $new_url = NULL, $flags = 0) {}
+	/**
+	 * String cast handler. Alias of http\Url::toString().
+	 * 
+	 * @return string the URL as string.
+	 */
+	function __toString() {}
+	/**
+	 * Clone this URL and apply $parts to the cloned URL.
+	 * 
+	 * > ***NOTE:***
+	 * > This method returns a clone (copy) of this instance.
+	 * 
+	 * @param mixed $parts New URL parts.
+	 * @param int $flags Modus operandi of URL construction. See http\Url constants.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadUrlException
+	 * @return http\Url clone.
+	 */
+	function mod($parts, $flags = http\Url::JOIN_PATH|http\Url::JOIN_QUERY|http\Url::SANITIZE_PATH) {}
+	/**
+	 * Retrieve the URL parts as array.
+	 * 
+	 * @return array the URL parts.
+	 */
+	function toArray() {}
+	/**
+	 * Get the string prepresentation of the URL.
+	 * 
+	 * @return string the URL as string.
+	 */
+	function toString() {}
+}
+/**
+ * The http\Client\Curl namespace holds option value constants specific to the curl driver of the http\Client.
+ */
+namespace http\Client\Curl;
+/**
+ * Bitmask of available libcurl features.
+ *   See http\Client\Curl\Features namespace.
+ */
+const FEATURES = 4179869;
+/**
+ * List of library versions of or linked into libcurl,
+ *   e.g. "libcurl/7.50.0 OpenSSL/1.0.2h zlib/1.2.8 libidn/1.32 nghttp2/1.12.0".
+ *   See http\Client\Curl\Versions namespace.
+ */
+const VERSIONS = 'libcurl/7.64.0 OpenSSL/1.1.1a zlib/1.2.11 libidn2/2.1.1 libpsl/0.20.2 (+libidn2/2.1.1) libssh2/1.8.0 nghttp2/1.36.0';
+/**
+ * Use HTTP/1.0 protocol version.
+ */
+const HTTP_VERSION_1_0 = 1;
+/**
+ * Use HTTP/1.1 protocol version.
+ */
+const HTTP_VERSION_1_1 = 2;
+/**
+ * Use HTTP/2 protocol version. Available if libcurl is v7.33.0 or more recent and was built with nghttp2 support.
+ */
+const HTTP_VERSION_2_0 = 3;
+/**
+ * Use any HTTP protocol version.
+ */
+const HTTP_VERSION_ANY = 0;
+/**
+ * Use TLS v1.0 encryption.
+ */
+const SSL_VERSION_TLSv1_0 = 4;
+/**
+ * Use TLS v1.1 encryption.
+ */
+const SSL_VERSION_TLSv1_1 = 5;
+/**
+ * Use TLS v1.2 encryption.
+ */
+const SSL_VERSION_TLSv1_2 = 6;
+/**
+ * Use any TLS v1 encryption.
+ */
+const SSL_VERSION_TLSv1 = 1;
+/**
+ * Use SSL v2 encryption.
+ */
+const SSL_VERSION_SSLv2 = 2;
+/**
+ * Use SSL v3 encryption.
+ */
+const SSL_VERSION_SSLv3 = 3;
+/**
+ * Use any encryption.
+ */
+const SSL_VERSION_ANY = 0;
+/**
+ * Use TLS SRP authentication. Available if libcurl is v7.21.4 or more recent and was built with gnutls or openssl with TLS-SRP support.
+ */
+const TLS_AUTH_SRP = NULL;
+/**
+ * Use IPv4 resolver.
+ */
+const IPRESOLVE_V4 = 1;
+/**
+ * Use IPv6 resolver.
+ */
+const IPRESOLVE_V6 = 2;
+/**
+ * Use any resolver.
+ */
+const IPRESOLVE_ANY = 0;
+/**
+ * Use Basic authentication.
+ */
+const AUTH_BASIC = 1;
+/**
+ * Use Digest authentication.
+ */
+const AUTH_DIGEST = 2;
+/**
+ * Use IE (lower v7) quirks with Digest authentication. Available if libcurl is v7.19.3 or more recent.
+ */
+const AUTH_DIGEST_IE = 16;
+/**
+ * Use NTLM authentication.
+ */
+const AUTH_NTLM = 8;
+/**
+ * Use GSS-Negotiate authentication.
+ */
+const AUTH_GSSNEG = 4;
+/**
+ * Use HTTP Netgotiate authentication (SPNEGO, RFC4559). Available if libcurl is v7.38.0 or more recent.
+ */
+const AUTH_SPNEGO = 4;
+/**
+ * Use any authentication.
+ */
+const AUTH_ANY = -17;
+/**
+ * Use SOCKSv4 proxy protocol.
+ */
+const PROXY_SOCKS4 = 4;
+/**
+ * Use SOCKSv4a proxy protocol.
+ */
+const PROXY_SOCKS4A = 5;
+/**
+ * Use SOCKS5h proxy protocol.
+ */
+const PROXY_SOCKS5_HOSTNAME = 5;
+/**
+ * Use SOCKS5 proxy protoccol.
+ */
+const PROXY_SOCKS5 = 5;
+/**
+ * Use HTTP/1.1 proxy protocol.
+ */
+const PROXY_HTTP = 0;
+/**
+ * Use HTTP/1.0 proxy protocol. Available if libcurl is v7.19.4 or more recent.
+ */
+const PROXY_HTTP_1_0 = 1;
+/**
+ * Keep POSTing on 301 redirects. Available if libcurl is v7.19.1 or more recent.
+ */
+const POSTREDIR_301 = 1;
+/**
+ * Keep POSTing on 302 redirects. Available if libcurl is v7.19.1 or more recent.
+ */
+const POSTREDIR_302 = 2;
+/**
+ * Keep POSTing on 303 redirects. Available if libcurl is v7.19.1 or more recent.
+ */
+const POSTREDIR_303 = 4;
+/**
+ * Keep POSTing on any redirect. Available if libcurl is v7.19.1 or more recent.
+ */
+const POSTREDIR_ALL = 7;
+namespace http\Client;
+/**
+ * The http\Client\Request class provides an HTTP message implementation tailored to represent a request message to be sent by the client.
+ * 
+ * See http\Client::enqueue().
+ */
+class Request extends \http\Message {
+	/**
+	 * Array of options for this request, which override client options.
+	 * 
+	 * @protected
+	 * @var array
+	 */
+	protected $options = NULL;
+	/**
+	 * Create a new client request message to be enqueued and sent by http\Client.
+	 * 
+	 * @param string $meth The request method.
+	 * @param string $url The request URL.
+	 * @param array $headers HTTP headers.
+	 * @param http\Message\Body $body Request body.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 */
+	function __construct($meth = NULL, $url = NULL, $headers = NULL, $body = NULL) {}
+	/**
+	 * Add querystring data.
+	 * See http\Client\Request::setQuery() and http\Message::setRequestUrl().
+	 * 
+	 * @param mixed $query_data Additional querystring data.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadQueryStringException
+	 * @return http\Client\Request self.
+	 */
+	function addQuery($query_data) {}
+	/**
+	 * Add specific SSL options.
+	 * See http\Client\Request::setSslOptions(), http\Client\Request::setOptions() and http\Client\Curl\$ssl options.
+	 * 
+	 * @param array $ssl_options Add this SSL options.
+	 * @throws http\Client\InvalidArgumentException
+	 * @return http\Client\Request self.
+	 */
+	function addSslOptions($ssl_options = NULL) {}
+	/**
+	 * Extract the currently set "Content-Type" header.
+	 * See http\Client\Request::setContentType().
+	 * 
+	 * @return string|NULL the currently set content type.
+	 * 	 or NULL if no "Content-Type" header is set.
+	 */
+	function getContentType() {}
+	/**
+	 * Get priorly set options.
+	 * See http\Client\Request::setOptions().
+	 * 
+	 * @return array options.
+	 */
+	function getOptions() {}
+	/**
+	 * Retrieve the currently set querystring.
+	 * 
+	 * @return string|NULL the currently set querystring.
+	 * 	 or NULL if no querystring is set.
+	 */
+	function getQuery() {}
+	/**
+	 * Retrieve priorly set SSL options.
+	 * See http\Client\Request::getOptions() and http\Client\Request::setSslOptions().
+	 * 
+	 * @return array SSL options.
+	 */
+	function getSslOptions() {}
+	/**
+	 * Set the MIME content type of the request message.
+	 * 
+	 * @param string $content_type The MIME type used as "Content-Type".
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Client\Request self.
+	 */
+	function setContentType($content_type) {}
+	/**
+	 * Set client options.
+	 * See http\Client::setOptions() and http\Client\Curl.
+	 * 
+	 * Request specific options override general options which were set in the client.
+	 * 
+	 * > ***NOTE:***
+	 * > Only options specified prior enqueueing a request are applied to the request.
+	 * 
+	 * @param array $options The options to set.
+	 * @throws http\Client\InvalidArgumentException
+	 * @return http\Client\Request self.
+	 */
+	function setOptions($options = NULL) {}
+	/**
+	 * (Re)set the querystring.
+	 * See http\Client\Request::addQuery() and http\Message::setRequestUrl().
+	 * 
+	 * @param mixed $query_data
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadQueryStringException
+	 * @return http\Client\Request self.
+	 */
+	function setQuery($query_data) {}
+	/**
+	 * Specifically set SSL options.
+	 * See http\Client\Request::setOptions() and http\Client\Curl\$ssl options.
+	 * 
+	 * @param array $ssl_options Set SSL options to this array.
+	 * @throws http\Client\InvalidArgumentException
+	 * @return http\Client\Request self.
+	 */
+	function setSslOptions($ssl_options = NULL) {}
+}
+/**
+ * The http\Client\Response class represents an HTTP message the client returns as answer from a server to an http\Client\Request.
+ */
+class Response extends \http\Message {
+	/**
+	 * Extract response cookies.
+	 * Parses any "Set-Cookie" response headers into an http\Cookie list. See http\Cookie::__construct().
+	 * 
+	 * @param int $flags Cookie parser flags.
+	 * @param array $allowed_extras List of keys treated as extras.
+	 * @return array list of http\Cookie instances.
+	 */
+	function getCookies($flags = 0, $allowed_extras = NULL) {}
+	/**
+	 * Retrieve transfer related information after the request has completed.
+	 * See http\Client::getTransferInfo().
+	 * 
+	 * @param string $name A key to retrieve out of the transfer info.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\BadMethodCallException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return object|mixed stdClass instance with all transfer info if $name was not given.
+	 * 	 or mixed the specific transfer info for $name.
+	 */
+	function getTransferInfo($name = NULL) {}
+}
+namespace http\Client\Curl;
+/**
+ * Interface to an user event loop implementation for http\Client::configure()'s $use_eventloop option.
+ * 
+ * > ***NOTE:***
+ * > This interface was added in v2.6.0, resp. v3.1.0.
+ */
+interface User  {
+	/**
+	 * No action.
+	 */
+	const POLL_NONE = 0;
+	/**
+	 * Poll for read readiness.
+	 */
+	const POLL_IN = 1;
+	/**
+	 * Poll for write readiness.
+	 */
+	const POLL_OUT = 2;
+	/**
+	 * Poll for read/write readiness.
+	 */
+	const POLL_INOUT = 3;
+	/**
+	 * Stop polling for activity on this descriptor.
+	 */
+	const POLL_REMOVE = 4;
+	/**
+	 * Initialize the event loop.
+	 * 
+	 * @param callable $run as function(http\Client $c, resource $s = null, int $action = http\Client\Curl\User::POLL_NONE) : int
+	 *   Internal callback returning the number of unfinished requests pending.
+	 * 
+	 * 
+	 * > ***NOTE***:
+	 * > The callback should be run when a timeout occurs or a watched socket needs action.
+	 */
+	function init($run);
+	/**
+	 * Run the loop as long as it does not block.
+	 * 
+	 * > ***NOTE:***
+	 * > This method is called by http\Client::once(), so it does not need to have an actual implementation if http\Client::once() is never called.
+	 */
+	function once();
+	/**
+	 * Run the loop.
+	 * 
+	 * > ***NOTE:***
+	 * > This method is called by http\Client::send(), so it does not need to have an actual implementation if http\Client::send() is never called.
+	 */
+	function send();
+	/**
+	 * Register (or deregister) a socket watcher.
+	 * 
+	 * @param resource $socket The socket descriptor to watch.
+	 * @param int $poll http\Client\Curl\User::POLL_* constant.
+	 */
+	function socket($socket, $poll);
+	/**
+	 * Register a timeout watcher.
+	 * 
+	 * @param int $timeout_ms Desired maximum timeout in milliseconds.
+	 */
+	function timer($timeout_ms);
+	/**
+	 * Wait/poll/select (block the loop) until events fire.
+	 * 
+	 * > ***NOTE:***
+	 * > This method is called by http\Client::wait(), so it does not need to have an actual implementation if http\Client::wait() is never called.
+	 * 
+	 * @param int $timeout_ms Block for at most this milliseconds.
+	 */
+	function wait($timeout_ms = null);
+}
+/**
+ * CURL feature constants.
+ * 
+ * > ***NOTE:***
+ * > These constants have been added in v2.6.0, resp. v3.1.0.
+ */
+namespace http\Client\Curl\Features;
+/**
+ * Whether libcurl supports asynchronous domain name resolution.
+ */
+const ASYNCHDNS = 128;
+/**
+ * Whether libcurl supports the Generic Security Services Application Program Interface. Available if libcurl is v7.38.0 or more recent.
+ */
+const GSSAPI = 131072;
+/**
+ * Whether libcurl supports HTTP Generic Security Services negotiation.
+ */
+const GSSNEGOTIATE = 32;
+/**
+ * Whether libcurl supports the HTTP/2 protocol. Available if libcurl is v7.33.0 or more recent.
+ */
+const HTTP2 = 65536;
+/**
+ * Whether libcurl supports international domain names.
+ */
+const IDN = 1024;
+/**
+ * Whether libcurl supports IPv6.
+ */
+const IPV6 = 1;
+/**
+ * Whether libcurl supports the old Kerberos protocol.
+ */
+const KERBEROS4 = 2;
+/**
+ * Whether libcurl supports the more recent Kerberos v5 protocol. Available if libcurl is v7.40.0 or more recent.
+ */
+const KERBEROS5 = 262144;
+/**
+ * Whether libcurl supports large files.
+ */
+const LARGEFILE = 512;
+/**
+ * Whether libcurl supports gzip/deflate compression.
+ */
+const LIBZ = 8;
+/**
+ * Whether libcurl supports the NT Lan Manager authentication.
+ */
+const NTLM = 16;
+/**
+ * Whether libcurl supports NTLM delegation to a winbind helper. Available if libcurl is v7.22.0 or more recent.
+ */
+const NTLM_WB = 32768;
+/**
+ * Whether libcurl supports the Public Suffix List for cookie host handling. Available if libcurl is v7.47.0 or more recent.
+ */
+const PSL = 1048576;
+/**
+ * Whether libcurl supports the Simple and Protected GSSAPI Negotiation Mechanism.
+ */
+const SPNEGO = 256;
+/**
+ * Whether libcurl supports SSL/TLS protocols.
+ */
+const SSL = 4;
+/**
+ * Whether libcurl supports the Security Support Provider Interface.
+ */
+const SSPI = 2048;
+/**
+ * Whether libcurl supports TLS Secure Remote Password authentication. Available if libcurl is v7.21.4 or more recent.
+ */
+const TLSAUTH_SRP = 16384;
+/**
+ * Whether libcurl supports connections to unix sockets. Available if libcurl is v7.40.0 or more recent.
+ */
+const UNIX_SOCKETS = 524288;
+/**
+ * CURL version constants.
+ * 
+ * > ***NOTE:***
+ * > These constants have been added in v2.6.0, resp. v3.1.0.
+ */
+namespace http\Client\Curl\Versions;
+/**
+ * Version string of libcurl, e.g. "7.50.0".
+ */
+const CURL = '7.64.0';
+/**
+ * Version string of the SSL/TLS library, e.g. "OpenSSL/1.0.2h".
+ */
+const SSL = 'OpenSSL/1.1.1a';
+/**
+ * Version string of the zlib compression library, e.g. "1.2.8".
+ */
+const LIBZ = '1.2.11';
+/**
+ * Version string of the c-ares library, e.g. "1.11.0".
+ */
+const ARES = NULL;
+/**
+ * Version string of the IDN library, e.g. "1.32".
+ */
+const IDN = NULL;
+namespace http\Encoding;
+/**
+ * Base class for encoding stream implementations.
+ */
+abstract class Stream  {
+	/**
+	 * Do no intermittend flushes.
+	 */
+	const FLUSH_NONE = 0;
+	/**
+	 * Flush at appropriate transfer points.
+	 */
+	const FLUSH_SYNC = 1048576;
+	/**
+	 * Flush at each IO operation.
+	 */
+	const FLUSH_FULL = 2097152;
+	/**
+	 * Base constructor for encoding stream implementations.
+	 * 
+	 * @param int $flags See http\Encoding\Stream and implementation specific constants.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\RuntimeException
+	 */
+	function __construct($flags = 0) {}
+	/**
+	 * Check whether the encoding stream is already done.
+	 * 
+	 * @return bool whether the encoding stream is completed.
+	 */
+	function done() {}
+	/**
+	 * Finish and reset the encoding stream.
+	 * Returns any pending data.
+	 * 
+	 * @return string any pending data.
+	 */
+	function finish() {}
+	/**
+	 * Flush the encoding stream.
+	 * Returns any pending data.
+	 * 
+	 * @return string any pending data.
+	 */
+	function flush() {}
+	/**
+	 * Update the encoding stream with more input.
+	 * 
+	 * @param string $data The data to pass through the stream.
+	 * @return string processed data.
+	 */
+	function update($data) {}
+}
+namespace http\Encoding\Stream;
+/**
+ * A stream decoding data encoded with chunked transfer encoding.
+ */
+class Dechunk extends \http\Encoding\Stream {
+	/**
+	 * Decode chunked encoded data.
+	 * 
+	 * @param string $data The data to decode.
+	 * @param int $decoded_len Out parameter with the length of $data that's been decoded.
+	 *   Should be ```strlen($data)``` if not truncated.
+	 * @return string|false the decoded data.
+	 * 	 or string the unencoded data.
+	 * 	 or string the truncated decoded data.
+	 * 	 or false if $data cannot be decoded.
+	 */
+	function decode($data, $decoded_len = 0) {}
+}
+/**
+ * A deflate stream supporting deflate, zlib and gzip encodings.
+ */
+class Deflate extends \http\Encoding\Stream {
+	/**
+	 * Gzip encoding. RFC1952
+	 */
+	const TYPE_GZIP = 16;
+	/**
+	 * Zlib encoding. RFC1950
+	 */
+	const TYPE_ZLIB = 0;
+	/**
+	 * Deflate encoding. RFC1951
+	 */
+	const TYPE_RAW = 32;
+	/**
+	 * Default compression level.
+	 */
+	const LEVEL_DEF = 0;
+	/**
+	 * Least compression level.
+	 */
+	const LEVEL_MIN = 1;
+	/**
+	 * Greatest compression level.
+	 */
+	const LEVEL_MAX = 9;
+	/**
+	 * Default compression strategy.
+	 */
+	const STRATEGY_DEF = 0;
+	/**
+	 * Filtered compression strategy.
+	 */
+	const STRATEGY_FILT = 256;
+	/**
+	 * Huffman strategy only.
+	 */
+	const STRATEGY_HUFF = 512;
+	/**
+	 * Run-length encoding strategy.
+	 */
+	const STRATEGY_RLE = 768;
+	/**
+	 * Encoding with fixed Huffman codes only.
+	 * 
+	 * > **A note on the compression strategy:**
+	 * >
+	 * > The strategy parameter is used to tune the compression algorithm.
+	 * >
+	 * > Use the value DEFAULT_STRATEGY for normal data, FILTERED for data produced by a filter (or predictor), HUFFMAN_ONLY to force Huffman encoding only (no string match), or RLE to limit match distances to one (run-length encoding).
+	 * >
+	 * > Filtered data consists mostly of small values with a somewhat random distribution. In this case, the compression algorithm is tuned to compress them better. The effect of FILTERED is to force more Huffman coding and less string matching; it is somewhat intermediate between DEFAULT_STRATEGY and HUFFMAN_ONLY.
+	 * >
+	 * > RLE is designed to be almost as fast as HUFFMAN_ONLY, but give better compression for PNG image data.
+	 * >
+	 * > FIXED prevents the use of dynamic Huffman codes, allowing for a simpler decoder for special applications.
+	 * >
+	 * > The strategy parameter only affects the compression ratio but not the correctness of the compressed output even if it is not set appropriately.
+	 * >
+	 * >_Source: [zlib Manual](http://www.zlib.net/manual.html)_
+	 */
+	const STRATEGY_FIXED = 1024;
+	/**
+	 * Encode data with deflate/zlib/gzip encoding.
+	 * 
+	 * @param string $data The data to compress.
+	 * @param int $flags Any compression tuning flags. See http\Encoding\Stream\Deflate and http\Encoding\Stream constants.
+	 * @return string the compressed data.
+	 */
+	function encode($data, $flags = 0) {}
+}
+/**
+ * A inflate stream supporting deflate, zlib and gzip encodings.
+ */
+class Inflate extends \http\Encoding\Stream {
+	/**
+	 * Decode deflate/zlib/gzip encoded data.
+	 * 
+	 * @param string $data The data to uncompress.
+	 * @return string the uncompressed data.
+	 */
+	function decode($data) {}
+}
+namespace http\Env;
+/**
+ * The http\Env\Request class' instances represent the server's current HTTP request.
+ * 
+ * See http\Message for inherited members.
+ */
+class Request extends \http\Message {
+	/**
+	 * The request's query parameters. ($_GET)
+	 * 
+	 * @protected
+	 * @var http\QueryString
+	 */
+	protected $query = NULL;
+	/**
+	 * The request's form parameters. ($_POST)
+	 * 
+	 * @protected
+	 * @var http\QueryString
+	 */
+	protected $form = NULL;
+	/**
+	 * The request's form uploads. ($_FILES)
+	 * 
+	 * @protected
+	 * @var array
+	 */
+	protected $files = NULL;
+	/**
+	 * The request's cookies. ($_COOKIE)
+	 * 
+	 * @protected
+	 * @var array
+	 */
+	protected $cookie = NULL;
+	/**
+	 * Create an instance of the server's current HTTP request.
+	 * 
+	 * Upon construction, the http\Env\Request acquires http\QueryString instances of  query paramters ($\_GET) and form parameters ($\_POST).
+	 * 
+	 * It also compiles an array of uploaded files ($\_FILES) more comprehensive than the original $\_FILES array, see http\Env\Request::getFiles() for that matter.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 */
+	function __construct() {}
+	/**
+	 * Retrieve an URL query value ($_GET).
+	 * 
+	 * See http\QueryString::get() and http\QueryString::TYPE_* constants.
+	 * 
+	 * @param string $name The key to retrieve the value for.
+	 * @param mixed $type The type to cast the value to. See http\QueryString::TYPE_* constants.
+	 * @param mixed $defval The default value to return if the key $name does not exist.
+	 * @param bool $delete Whether to delete the entry from the querystring after retrieval.
+	 * @return http\QueryString|string|mixed if called without arguments.
+	 * 	 or string the whole querystring if $name is of zero length.
+	 * 	 or mixed $defval if the key $name does not exist.
+	 * 	 or mixed the querystring value cast to $type if $type was specified and the key $name exists.
+	 * 	 or string the querystring value if the key $name exists and $type is not specified or equals http\QueryString::TYPE_STRING.
+	 */
+	function getCookie($name = NULL, $type = NULL, $defval = NULL, $delete = false) {}
+	/**
+	 * Retrieve the uploaded files list ($_FILES).
+	 * 
+	 * @return array the consolidated upload files array.
+	 */
+	function getFiles() {}
+	/**
+	 * Retrieve a form value ($_POST).
+	 * 
+	 * See http\QueryString::get() and http\QueryString::TYPE_* constants.
+	 * 
+	 * @param string $name The key to retrieve the value for.
+	 * @param mixed $type The type to cast the value to. See http\QueryString::TYPE_* constants.
+	 * @param mixed $defval The default value to return if the key $name does not exist.
+	 * @param bool $delete Whether to delete the entry from the querystring after retrieval.
+	 * @return http\QueryString|string|mixed if called without arguments.
+	 * 	 or string the whole querystring if $name is of zero length.
+	 * 	 or mixed $defval if the key $name does not exist.
+	 * 	 or mixed the querystring value cast to $type if $type was specified and the key $name exists.
+	 * 	 or string the querystring value if the key $name exists and $type is not specified or equals http\QueryString::TYPE_STRING.
+	 */
+	function getForm($name = NULL, $type = NULL, $defval = NULL, $delete = false) {}
+	/**
+	 * Retrieve an URL query value ($_GET).
+	 * 
+	 * See http\QueryString::get() and http\QueryString::TYPE_* constants.
+	 * 
+	 * @param string $name The key to retrieve the value for.
+	 * @param mixed $type The type to cast the value to. See http\QueryString::TYPE_* constants.
+	 * @param mixed $defval The default value to return if the key $name does not exist.
+	 * @param bool $delete Whether to delete the entry from the querystring after retrieval.
+	 * @return http\QueryString|string|mixed if called without arguments.
+	 * 	 or string the whole querystring if $name is of zero length.
+	 * 	 or mixed $defval if the key $name does not exist.
+	 * 	 or mixed the querystring value cast to $type if $type was specified and the key $name exists.
+	 * 	 or string the querystring value if the key $name exists and $type is not specified or equals http\QueryString::TYPE_STRING.
+	 */
+	function getQuery($name = NULL, $type = NULL, $defval = NULL, $delete = false) {}
+}
+/**
+ * The http\Env\Response class' instances represent the server's current HTTP response.
+ * 
+ * See http\Message for inherited members.
+ */
+class Response extends \http\Message {
+	/**
+	 * Do not use content encoding.
+	 */
+	const CONTENT_ENCODING_NONE = 0;
+	/**
+	 * Support "Accept-Encoding" requests with gzip and deflate encoding.
+	 */
+	const CONTENT_ENCODING_GZIP = 1;
+	/**
+	 * No caching info available.
+	 */
+	const CACHE_NO = 0;
+	/**
+	 * The cache was hit.
+	 */
+	const CACHE_HIT = 1;
+	/**
+	 * The cache was missed.
+	 */
+	const CACHE_MISS = 2;
+	/**
+	 * A request instance which overrides the environments default request.
+	 * 
+	 * @protected
+	 * @var http\Env\Request
+	 */
+	protected $request = NULL;
+	/**
+	 * The response's MIME content type.
+	 * 
+	 * @protected
+	 * @var string
+	 */
+	protected $contentType = NULL;
+	/**
+	 * The response's MIME content disposition.
+	 * 
+	 * @protected
+	 * @var string
+	 */
+	protected $contentDisposition = NULL;
+	/**
+	 * See http\Env\Response::CONTENT_ENCODING_* constants.
+	 * 
+	 * @protected
+	 * @var int
+	 */
+	protected $contentEncoding = NULL;
+	/**
+	 * How the client should treat this response in regards to caching.
+	 * 
+	 * @protected
+	 * @var string
+	 */
+	protected $cacheControl = NULL;
+	/**
+	 * A custom ETag.
+	 * 
+	 * @protected
+	 * @var string
+	 */
+	protected $etag = NULL;
+	/**
+	 * A "Last-Modified" time stamp.
+	 * 
+	 * @protected
+	 * @var int
+	 */
+	protected $lastModified = NULL;
+	/**
+	 * Any throttling delay.
+	 * 
+	 * @protected
+	 * @var int
+	 */
+	protected $throttleDelay = NULL;
+	/**
+	 * The chunk to send every $throttleDelay seconds.
+	 * 
+	 * @protected
+	 * @var int
+	 */
+	protected $throttleChunk = NULL;
+	/**
+	 * The response's cookies.
+	 * 
+	 * @protected
+	 * @var array
+	 */
+	protected $cookies = NULL;
+	/**
+	 * Create a new env response message instance.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 */
+	function __construct() {}
+	/**
+	 * Output buffer handler.
+	 * Appends output data to the body.
+	 * 
+	 * @param string $data The data output.
+	 * @param int $ob_flags Output buffering flags passed from the output buffering control layer.
+	 * @return bool success.
+	 */
+	function __invoke($data, $ob_flags = 0) {}
+	/**
+	 * Manually test the header $header_name of the environment's request for a cache hit.
+	 * http\Env\Response::send() checks that itself, though.
+	 * 
+	 * @param string $header_name The request header to test.
+	 * @return int a http\Env\Response::CACHE_* constant.
+	 */
+	function isCachedByEtag($header_name = "If-None-Match") {}
+	/**
+	 * Manually test the header $header_name of the environment's request for a cache hit.
+	 * http\Env\Response::send() checks that itself, though.
+	 * 
+	 * @param string $header_name The request header to test.
+	 * @return int a http\Env\Response::CACHE_* constant.
+	 */
+	function isCachedByLastModified($header_name = "If-Modified-Since") {}
+	/**
+	 * Send the response through the SAPI or $stream.
+	 * Flushes all output buffers.
+	 * 
+	 * @param resource $stream A writable stream to send the response through.
+	 * @return bool success.
+	 */
+	function send($stream = NULL) {}
+	/**
+	 * Make suggestions to the client how it should cache the response.
+	 * 
+	 * @param string $cache_control (A) "Cache-Control" header value(s).
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Env\Response self.
+	 */
+	function setCacheControl($cache_control) {}
+	/**
+	 * Set the reponse's content disposition parameters.
+	 * 
+	 * @param array $disposition_params MIME content disposition as http\Params array.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Env\Response self.
+	 */
+	function setContentDisposition($disposition_params) {}
+	/**
+	 * Enable support for "Accept-Encoding" requests with deflate or gzip.
+	 * The response will be compressed if the client indicates support and wishes that.
+	 * 
+	 * @param int $content_encoding See http\Env\Response::CONTENT_ENCODING_* constants.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Env\Response self.
+	 */
+	function setContentEncoding($content_encoding) {}
+	/**
+	 * Set the MIME content type of the response.
+	 * 
+	 * @param string $conten_type The response's content type.
+	 * @throws http\Env\InvalidArgumentException
+	 * @return http\Env\Response self.
+	 */
+	function setContentType($conten_type) {}
+	/**
+	 * Add cookies to the response to send.
+	 * 
+	 * @param mixed $cookie The cookie to send.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return http\Env\Response self.
+	 */
+	function setCookie($cookie) {}
+	/**
+	 * Override the environment's request.
+	 * 
+	 * @param http\Message $env_request The overriding request message.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Env\Response self.
+	 */
+	function setEnvRequest($env_request) {}
+	/**
+	 * Set a custom ETag.
+	 * 
+	 * > ***NOTE:***
+	 * > This will be used for caching and pre-condition checks.
+	 * 
+	 * @param string $etag A ETag.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Env\Response self.
+	 */
+	function setEtag($etag) {}
+	/**
+	 * Set a custom last modified time stamp.
+	 * 
+	 * > ***NOTE:***
+	 * > This will be used for caching and pre-condition checks.
+	 * 
+	 * @param int $last_modified A unix timestamp.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return http\Env\Response self.
+	 */
+	function setLastModified($last_modified) {}
+	/**
+	 * Enable throttling.
+	 * Send $chunk_size bytes every $delay seconds.
+	 * 
+	 * > ***NOTE:***
+	 * > If you need throttling by regular means, check for other options in your stack, because this method blocks the executing process/thread until the response has completely been sent.
+	 * 
+	 * @param int $chunk_size Bytes to send.
+	 * @param float $delay Seconds to sleep.
+	 * @return http\Env\Response self.
+	 */
+	function setThrottleRate($chunk_size, $delay = 1) {}
+}
+/**
+ * URL class using the HTTP environment by default.
+ * 
+ * > ***NOTE:***
+ * > This class has been added in v3.0.0.
+ * 
+ * Always adds http\Url::FROM_ENV to the $flags constructor argument. See also http\Url.
+ */
+class Url extends \http\Url {
+}
+namespace http\Exception;
+/**
+ * A bad conversion (e.g. character conversion) was encountered.
+ */
+class BadConversionException extends \DomainException implements \http\Exception {
+}
+/**
+ * A bad HTTP header was encountered.
+ */
+class BadHeaderException extends \DomainException implements \http\Exception {
+}
+/**
+ * A bad HTTP message was encountered.
+ */
+class BadMessageException extends \DomainException implements \http\Exception {
+}
+/**
+ * A method was called on an object, which was in an invalid or unexpected state.
+ */
+class BadMethodCallException extends \BadMethodCallException implements \http\Exception {
+}
+/**
+ * A bad querystring was encountered.
+ */
+class BadQueryStringException extends \DomainException implements \http\Exception {
+}
+/**
+ * A bad HTTP URL was encountered.
+ */
+class BadUrlException extends \DomainException implements \http\Exception {
+}
+/**
+ * One or more invalid arguments were passed to a method.
+ */
+class InvalidArgumentException extends \InvalidArgumentException implements \http\Exception {
+}
+/**
+ * A generic runtime exception.
+ */
+class RuntimeException extends \RuntimeException implements \http\Exception {
+}
+/**
+ * An unexpected value was encountered.
+ */
+class UnexpectedValueException extends \UnexpectedValueException implements \http\Exception {
+}
+namespace http\Header;
+/**
+ * The parser which is underlying http\Header and http\Message.
+ * 
+ * > ***NOTE:***
+ * > This class has been added in v2.3.0.
+ */
+class Parser  {
+	/**
+	 * Finish up parser at end of (incomplete) input.
+	 */
+	const CLEANUP = 1;
+	/**
+	 * Parse failure.
+	 */
+	const STATE_FAILURE = -1;
+	/**
+	 * Expecting HTTP info (request/response line) or headers.
+	 */
+	const STATE_START = 0;
+	/**
+	 * Expecting a key or already parsing a key.
+	 */
+	const STATE_KEY = 1;
+	/**
+	 * Expecting a value or already parsing the value.
+	 */
+	const STATE_VALUE = 2;
+	/**
+	 * At EOL of an header, checking whether a folded header line follows.
+	 */
+	const STATE_VALUE_EX = 3;
+	/**
+	 * A header was completed.
+	 */
+	const STATE_HEADER_DONE = 4;
+	/**
+	 * Finished parsing the headers.
+	 * 
+	 * > ***NOTE:***
+	 * > Most of this states won't be returned to the user, because the parser immediately jumps to the next expected state.
+	 */
+	const STATE_DONE = 5;
+	/**
+	 * Retrieve the current state of the parser.
+	 * See http\Header\Parser::STATE_* constants.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return int http\Header\Parser::STATE_* constant.
+	 */
+	function getState() {}
+	/**
+	 * Parse a string.
+	 * 
+	 * @param string $data The (part of the) header to parse.
+	 * @param int $flags Any combination of [parser flags](http/Header/Parser#Parser.flags:).
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return int http\Header\Parser::STATE_* constant.
+	 */
+	function parse($data, $flags) {}
+	/**
+	 * Parse a stream.
+	 * 
+	 * @param stream $resource The header stream to parse from.
+	 * @param int $flags Any combination of [parser flags](http/Header/Parser#Parser.flags:).
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return int http\Header\Parser::STATE_* constant.
+	 */
+	function stream($resource, $flags) {}
+}
+namespace http\Message;
+/**
+ * The message body, represented as a PHP (temporary) stream.
+ * 
+ * > ***NOTE:***
+ * > Currently, http\Message\Body::addForm() creates multipart/form-data bodies.
+ */
+class Body implements \Serializable {
+	/**
+	 * Create a new message body, optionally referencing $stream.
+	 * 
+	 * @param resource $stream A stream to be used as message body.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 */
+	function __construct($stream = NULL) {}
+	/**
+	 * String cast handler.
+	 * 
+	 * @return string the message body.
+	 */
+	function __toString() {}
+	/**
+	 * Add form fields and files to the message body.
+	 * 
+	 * > ***NOTE:***
+	 * > Currently, http\Message\Body::addForm() creates "multipart/form-data" bodies.
+	 * 
+	 * @param array $fields List of form fields to add.
+	 * @param array $files List of form files to add.
+	 * 
+	 * $fields must look like:
+	 * 
+	 *     [
+	 *       "field_name" => "value",
+	 *       "multi_field" => [
+	 *         "value1",
+	 *         "value2"
+	 *       ]
+	 *     ]
+	 * 
+	 * $files must look like:
+	 * 
+	 *     [
+	 *       [
+	 *         "name" => "field_name",
+	 *         "type" => "content/type",
+	 *         "file" => "/path/to/file.ext"
+	 *       ], [
+	 *         "name" => "field_name2",
+	 *         "type" => "text/plain",
+	 *         "file" => "file.ext",
+	 *         "data" => "string"
+	 *       ], [
+	 *         "name" => "field_name3",
+	 *         "type" => "image/jpeg",
+	 *         "file" => "file.ext",
+	 *         "data" => fopen("/home/mike/Pictures/mike.jpg","r")
+	 *     ]
+	 * 
+	 * As you can see, a file structure must contain a "file" entry, which holds a file path, and an optional "data" entry, which may either contain a resource to read from or the actual data as string.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\RuntimeException
+	 * @return http\Message\Body self.
+	 */
+	function addForm($fields = NULL, $files = NULL) {}
+	/**
+	 * Add a part to a multipart body.
+	 * 
+	 * @param http\Message $part The message part.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\RuntimeException
+	 * @return http\Message\Body self.
+	 */
+	function addPart($part) {}
+	/**
+	 * Append plain bytes to the message body.
+	 * 
+	 * @param string $data The data to append to the body.
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\RuntimeException
+	 * @return http\Message\Body self.
+	 */
+	function append($data) {}
+	/**
+	 * Retrieve the ETag of the body.
+	 * 
+	 * @return string|false an Apache style ETag of inode, mtime and size in hex concatenated by hyphens if the message body stream is stat-able.
+	 * 	 or string a content hash (which algorithm is determined by INI http.etag.mode) if the stream is not stat-able.
+	 * 	 or false if http.etag.mode is not a known hash algorithm.
+	 */
+	function etag() {}
+	/**
+	 * Retrieve any boundary of the message body.
+	 * See http\Message::splitMultipartBody().
+	 * 
+	 * @return string|NULL the message body boundary.
+	 * 	 or NULL if this message body has no boundary.
+	 */
+	function getBoundary() {}
+	/**
+	 * Retrieve the underlying stream resource.
+	 * 
+	 * @return resource the underlying stream.
+	 */
+	function getResource() {}
+	/**
+	 * Implements Serializable.
+	 * Alias of http\Message\Body::__toString().
+	 * 
+	 * @return string serialized message body.
+	 */
+	function serialize() {}
+	/**
+	 * Stat size, atime, mtime and/or ctime.
+	 * 
+	 * @param string $field A single stat field to retrieve.
+	 * @return int|object the requested stat field.
+	 * 	 or object stdClass instance holding all four stat fields.
+	 */
+	function stat($field = NULL) {}
+	/**
+	 * Stream the message body through a callback.
+	 * 
+	 * @param callable $callback The callback of the form function(http\Message\Body $from, string $data).
+	 * @param int $offset Start to stream from this offset.
+	 * @param int $maxlen Stream at most $maxlen bytes, or all if $maxlen is less than 1.
+	 * @return http\Message\Body self.
+	 */
+	function toCallback($callback, $offset = 0, $maxlen = 0) {}
+	/**
+	 * Stream the message body into antother stream $stream, starting from $offset, streaming $maxlen at most.
+	 * 
+	 * @param resource $stream The resource to write to.
+	 * @param int $offset The starting offset.
+	 * @param int $maxlen The maximum amount of data to stream. All content if less than 1.
+	 * @return http\Message\Body self.
+	 */
+	function toStream($stream, $offset = 0, $maxlen = 0) {}
+	/**
+	 * Retrieve the message body serialized to a string.
+	 * Alias of http\Message\Body::__toString().
+	 * 
+	 * @return string message body.
+	 */
+	function toString() {}
+	/**
+	 * Implements Serializable.
+	 * 
+	 * @param string $serialized The serialized message body.
+	 */
+	function unserialize($serialized) {}
+}
+/**
+ * The parser which is underlying http\Message.
+ * 
+ * > ***NOTE:****
+ * > This class was added in v2.2.0.
+ */
+class Parser  {
+	/**
+	 * Finish up parser at end of (incomplete) input.
+	 */
+	const CLEANUP = 1;
+	/**
+	 * Soak up the rest of input if no entity length is deducible.
+	 */
+	const DUMB_BODIES = 2;
+	/**
+	 * Redirect messages do not contain any body despite of indication of such.
+	 */
+	const EMPTY_REDIRECTS = 4;
+	/**
+	 * Continue parsing while input is available.
+	 */
+	const GREEDY = 8;
+	/**
+	 * Parse failure.
+	 */
+	const STATE_FAILURE = -1;
+	/**
+	 * Expecting HTTP info (request/response line) or headers.
+	 */
+	const STATE_START = 0;
+	/**
+	 * Parsing headers.
+	 */
+	const STATE_HEADER = 1;
+	/**
+	 * Completed parsing headers.
+	 */
+	const STATE_HEADER_DONE = 2;
+	/**
+	 * Parsing the body.
+	 */
+	const STATE_BODY = 3;
+	/**
+	 * Soaking up all input as body.
+	 */
+	const STATE_BODY_DUMB = 4;
+	/**
+	 * Reading body as indicated by `Content-Lenght` or `Content-Range`.
+	 */
+	const STATE_BODY_LENGTH = 5;
+	/**
+	 * Parsing `chunked` encoded body.
+	 */
+	const STATE_BODY_CHUNKED = 6;
+	/**
+	 * Finished parsing the body.
+	 */
+	const STATE_BODY_DONE = 7;
+	/**
+	 * Finished parsing the message.
+	 * 
+	 * > ***NOTE:***
+	 * > Most of this states won't be returned to the user, because the parser immediately jumps to the next expected state.
+	 */
+	const STATE_DONE = 9;
+	/**
+	 * Retrieve the current state of the parser.
+	 * See http\Message\Parser::STATE_* constants.
+	 * 
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return int http\Message\Parser::STATE_* constant.
+	 */
+	function getState() {}
+	/**
+	 * Parse a string.
+	 * 
+	 * @param string $data The (part of the) message to parse.
+	 * @param int $flags Any combination of [parser flags](http/Message/Parser#Parser.flags:).
+	 * @throws http\Exception\InvalidArgumentException
+	 * @return int http\Message\Parser::STATE_* constant.
+	 */
+	function parse($data, $flags) {}
+	/**
+	 * Parse a stream.
+	 * 
+	 * @param stream $resource The message stream to parse from.
+	 * @param int $flags Any combination of [parser flags](http/Message/Parser#Parser.flags:).
+	 * @throws http\Exception\InvalidArgumentException
+	 * @throws http\Exception\UnexpectedValueException
+	 * @return int http\Message\Parser::STATE_* constant.
+	 */
+	function stream($resource, $flags) {}
+}
diff --git a/http/Env/Response.md b/http/Env/Response.md
index 187005c..3fb101a 100644
--- a/http/Env/Response.md
+++ b/http/Env/Response.md
@@ -1,4 +1,4 @@
-# class http\Env\Response extends http\Message is callable
+# class http\Env\Response extends http\Message
 
 The http\Env\Response class' instances represent the server's current HTTP response.
 
diff --git a/http/Env/setResponseHeader.md b/http/Env/setResponseHeader.md
index c1bea84..31eda46 100644
--- a/http/Env/setResponseHeader.md
+++ b/http/Env/setResponseHeader.md
@@ -1,4 +1,4 @@
-# static bool http\Env::setResponseHeader(string $header_name, [mixed $header_value = NULL[, int $response_code = 0[, bool $replace = true]]]
+# static bool http\Env::setResponseHeader(string $header_name[, mixed $header_value = NULL[, int $response_code = 0[, bool $replace = true]]])
 
 Set a response header, either replacing a prior set header, or appending the new header value, depending on $replace.
 
diff --git a/http/Header/getParams.md b/http/Header/getParams.md
index 98fd885..dd4fb23 100644
--- a/http/Header/getParams.md
+++ b/http/Header/getParams.md
@@ -8,7 +8,7 @@ Create a parameter list out of the HTTP header value.
   The parameter separator(s).
 * Optional mixed $as  
   The argument separator(s).
-* Optional mixed  
+* Optional mixed $vs  
   The value separator(s).
 * Optional int $flags  
   The modus operandi. See http\Params constants.
diff --git a/http/Url.md b/http/Url.md
index e953723..89cd97b 100644
--- a/http/Url.md
+++ b/http/Url.md
@@ -22,7 +22,7 @@ The http\Url class provides versatile means to parse, construct and manipulate U
   Do not include the URL path.
 * STRIP_QUERY  
   Do not include the URL querystring.
-* STRIP_FRAMGENT  
+* STRIP_FRAGMENT  
   Strip the fragment (hash) from the URL.
 * STRIP_ALL  
   Strip everything except scheme and host information.