Make all models final (#513)

src/Mailgun/Model/Attachment/Attachment.php

@@ -14,7 +14,7 @@ use Mailgun\Model\ApiResponse;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class Attachment implements ApiResponse
+final class Attachment implements ApiResponse
 {
     private $data;
 

src/Mailgun/Model/Event/Event.php

@@ -12,7 +12,7 @@ namespace Mailgun\Model\Event;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class Event
+final class Event
 {
     /**
      * @var string status

src/Mailgun/Model/Event/EventResponse.php

@@ -16,7 +16,7 @@ use Mailgun\Model\ApiResponse;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class EventResponse implements ApiResponse, PagingProvider
+final class EventResponse implements ApiResponse, PagingProvider
 {
     use PaginationResponse;
 

src/Mailgun/Model/Message/SendResponse.php

@@ -14,7 +14,7 @@ use Mailgun\Model\ApiResponse;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class SendResponse implements ApiResponse
+final class SendResponse implements ApiResponse
 {
     /**
      * @var string

src/Mailgun/Model/Message/ShowResponse.php

@@ -14,7 +14,7 @@ use Mailgun\Model\ApiResponse;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class ShowResponse implements ApiResponse
+final class ShowResponse implements ApiResponse
 {
     /**
      * Only available with message/rfc2822.

src/Mailgun/Model/Stats/TotalResponseItem.php

@@ -12,7 +12,7 @@ namespace Mailgun\Model\Stats;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class TotalResponseItem
+final class TotalResponseItem
 {
     /**
      * @var \DateTime

src/Mailgun/Model/Suppression/Bounce/Bounce.php

@@ -12,7 +12,7 @@ namespace Mailgun\Model\Suppression\Bounce;
 /**
  * @author Sean Johnson <sean@mailgun.com>
  */
-class Bounce
+final class Bounce
 {
     /**
      * @var string

src/Mailgun/Model/Suppression/Complaint/Complaint.php

@@ -12,7 +12,7 @@ namespace Mailgun\Model\Suppression\Complaint;
 /**
  * @author Sean Johnson <sean@mailgun.com>
  */
-class Complaint
+final class Complaint
 {
     /**
      * @var string

src/Mailgun/Model/Suppression/Unsubscribe/Unsubscribe.php

@@ -12,7 +12,7 @@ namespace Mailgun\Model\Suppression\Unsubscribe;
 /**
  * @author Sean Johnson <sean@mailgun.com>
  */
-class Unsubscribe
+final class Unsubscribe
 {
     /**
      * @var string

src/Mailgun/Model/Tag/Tag.php

@@ -9,7 +9,7 @@
 
 namespace Mailgun\Model\Tag;
 
-class Tag
+final class Tag
 {
     /**
      * @var string

src/Mailgun/Model/Webhook/CreateResponse.php

@@ -12,6 +12,6 @@ namespace Mailgun\Model\Webhook;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class CreateResponse extends BaseResponse
+final class CreateResponse extends BaseResponse
 {
 }

src/Mailgun/Model/Webhook/DeleteResponse.php

@@ -12,6 +12,6 @@ namespace Mailgun\Model\Webhook;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class DeleteResponse extends BaseResponse
+final class DeleteResponse extends BaseResponse
 {
 }

src/Mailgun/Model/Webhook/IndexResponse.php

@@ -14,7 +14,7 @@ use Mailgun\Model\ApiResponse;
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  */
-class IndexResponse implements ApiResponse
+final class IndexResponse implements ApiResponse
 {
     /**
      * @var array