Response divided into storage which doesn't emit data to the browser and ResponseEmitter (BC break!)

Author: dg

src/Http/IResponse.php

@@ -12,7 +12,6 @@
 
 /**
  * HTTP response interface.
- * @method self deleteHeader(string $name)
  */
 interface IResponse
 {
@@ -141,6 +140,17 @@ interface IResponse
 		511 => 'Network Authentication Required',
 	];
 
+	/**
+	 * Sets HTTP protocol version.
+	 * @return static
+	 */
+	function setProtocolVersion(string $version);
+
+	/**
+	 * Returns HTTP protocol version.
+	 */
+	function getProtocolVersion(): string;
+
 	/**
 	 * Sets HTTP response code.
 	 * @return static
@@ -152,6 +162,11 @@ function setCode(int $code, string $reason = null);
 	 */
 	function getCode(): int;
 
+	/**
+	 * Returns HTTP reason phrase.
+	 */
+	function getReasonPhrase(): string;
+
 	/**
 	 * Sends a HTTP header and replaces a previous one.
 	 * @return static
@@ -164,6 +179,11 @@ function setHeader(string $name, string $value);
 	 */
 	function addHeader(string $name, string $value);
 
+	/**
+	 * @return static
+	 */
+	function deleteHeader(string $name);
+
 	/**
 	 * Sends a Content-type HTTP header.
 	 * @return static
@@ -181,11 +201,6 @@ function redirect(string $url, int $code = self::S302_FOUND): void;
 	 */
 	function setExpiration(?string $expire);
 
-	/**
-	 * Checks if headers have been sent.
-	 */
-	function isSent(): bool;
-
 	/**
 	 * Returns value of an HTTP header.
 	 */
@@ -208,4 +223,15 @@ function setCookie(string $name, string $value, $expire, string $path = null, st
 	 * Deletes a cookie.
 	 */
 	function deleteCookie(string $name, string $path = null, string $domain = null, bool $secure = null);
+
+	/**
+	 * @param  string|\Closure  $body
+	 * @return static
+	 */
+	function setBody($body);
+
+	/**
+	 * @return string|\Closure
+	 */
+	function getBody();
 }