Update docs

Author: donatj

docs/docs.md

@@ -293,6 +293,21 @@ Set the Response for the Given Method
 - ***string*** `$method`
 - ***\donatj\MockWebServer\ResponseInterface*** `$response`
 
+## Class: \donatj\MockWebServer\DelayedResponse
+
+DelayedResponse wraps a response, causing it when called to be delayed by a specified number of microseconds.
+
+### Method: DelayedResponse->__construct
+
+```php
+function __construct(\donatj\MockWebServer\ResponseInterface $response, $delay)
+```
+
+#### Parameters:
+
+- ***\donatj\MockWebServer\ResponseInterface*** `$response`
+- ***int*** `$delay` - Microseconds to delay the response
+
 ## Built-In Responses
 
 ### Class: \donatj\MockWebServer\Responses\DefaultResponse

mddoc.xml

@@ -29,6 +29,7 @@ There has been work [started to implement this](https://github.com/donatj/mock-w
 							<file name="src/Response.php"/>
 							<file name="src/ResponseStack.php"/>
 							<file name="src/ResponseByMethod.php"/>
+							<file name="src/DelayedResponse.php"/>
 							<section title="Built-In Responses">
 								<file name="src/Responses/DefaultResponse.php"/>
 								<file name="src/Responses/NotFoundResponse.php"/>

src/DelayedResponse.php

@@ -3,12 +3,12 @@
 namespace donatj\MockWebServer;
 
 /**
- * Class DelayedResponse wraps a response and delays it a specified number of microseconds.
+ * DelayedResponse wraps a response, causing it when called to be delayed by a specified number of microseconds.
  */
 class DelayedResponse implements InitializingResponseInterface, MultiResponseInterface {
 
 	/**
-	 * @var int
+	 * @var int Microseconds to delay the response by.
 	 */
 	protected $delay;
 	/**

src/InitializingResponseInterface.php

@@ -7,6 +7,7 @@ interface InitializingResponseInterface extends ResponseInterface {
 	/**
 	 * @param \donatj\MockWebServer\RequestInfo $request
 	 * @return void
+	 * @internal
 	 */
 	public function initialize( RequestInfo $request );