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<?php

namespace SAREhub\Client\Message;

interface Message
{

    /**
     * @return Message
     */
    public function copy();

    /**
     * @param $name
     * @param mixed $defaultValue
     * @return mixed
     */
    public function getHeader($name, $defaultValue = null);

    /**
     * @return array
     */
    public function getHeaders();

    /**
     * @param $name
     * @return bool
     */
    public function hasHeader($name);

    /**
     * @return bool
     */
    public function hasAnyHeader();

    /**
     * Sets all headers to new.
     * @param array $headers
     * @return $this
     */
    public function setHeaders(array $headers);

    /**
     * @param string $name
     * @param mixed $value
     * @return $this
     */
    public function setHeader($name, $value);

    /**
     * @param string $name
     * @return $this
     */
    public function removeHeader($name);

    /**
     * @return mixed
     */
    public function getBody();

    /**
     * @return bool
     */
    public function hasBody();

    /**
     * @param mixed $body
     * @return $this
     */
    public function setBody($body);
}