Initial import.

vendor/guzzle/http/Guzzle/Http/Message/MessageInterface.php

@@ -0,0 +1,102 @@
+<?php
+
+namespace Guzzle\Http\Message;
+
+/**
+ * Request and response message interface
+ */
+interface MessageInterface
+{
+    /**
+     * Get application and plugin specific parameters set on the message.
+     *
+     * @return \Guzzle\Common\Collection
+     */
+    public function getParams();
+
+    /**
+     * Add a header to an existing collection of headers.
+     *
+     * @param string $header Header name to add
+     * @param string $value  Value of the header
+     *
+     * @return self
+     */
+    public function addHeader($header, $value);
+
+    /**
+     * Add and merge in an array of HTTP headers.
+     *
+     * @param array $headers Associative array of header data.
+     *
+     * @return self
+     */
+    public function addHeaders(array $headers);
+
+    /**
+     * Retrieve an HTTP header by name. Performs a case-insensitive search of all headers.
+     *
+     * @param string $header Header to retrieve.
+     *
+     * @return Header|null
+     */
+    public function getHeader($header);
+
+    /**
+     * Get all headers as a collection
+     *
+     * @return \Guzzle\Http\Message\Header\HeaderCollection
+     */
+    public function getHeaders();
+
+    /**
+     * Check if the specified header is present.
+     *
+     * @param string $header The header to check.
+     *
+     * @return bool
+     */
+    public function hasHeader($header);
+
+    /**
+     * Remove a specific HTTP header.
+     *
+     * @param string $header HTTP header to remove.
+     *
+     * @return self
+     */
+    public function removeHeader($header);
+
+    /**
+     * Set an HTTP header and overwrite any existing value for the header
+     *
+     * @param string $header Name of the header to set.
+     * @param mixed  $value  Value to set.
+     *
+     * @return self
+     */
+    public function setHeader($header, $value);
+
+    /**
+     * Overwrite all HTTP headers with the supplied array of headers
+     *
+     * @param array $headers Associative array of header data.
+     *
+     * @return self
+     */
+    public function setHeaders(array $headers);
+
+    /**
+     * Get an array of message header lines (e.g. ["Host: example.com", ...])
+     *
+     * @return array
+     */
+    public function getHeaderLines();
+
+    /**
+     * Get the raw message headers as a string
+     *
+     * @return string
+     */
+    public function getRawHeaders();
+}