API Deprecate API that will be removed (#60)

src/Clear.php

@@ -5,10 +5,14 @@
 use SilverStripe\Control\Controller;
 use SilverStripe\Control\HTTPRequest;
 use SilverStripe\Core\Injector\Injector;
+use SilverStripe\Dev\Deprecation;
 use SilverStripe\GraphQL\Schema\Storage\CodeGenerationStore;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Finder\Finder;
 
+/**
+ * @deprecated 1.1.0 Will be replaced with SilverStripe\GraphQLDevTools\SchemaClear
+ */
 class Clear extends Controller
 {
     private static $url_handlers = [
@@ -19,6 +23,18 @@ class Clear extends Controller
         'clear',
     ];
 
+    public function __construct()
+    {
+        parent::__construct();
+        Deprecation::withNoReplacement(function () {
+            Deprecation::notice(
+                '1.1.0',
+                'Will be replaced with SilverStripe\GraphQLDevTools\SchemaClear',
+                Deprecation::SCOPE_CLASS
+            );
+        });
+    }
+
     public function clear(HTTPRequest $request): void
     {
         $logger = Injector::inst()->get(LoggerInterface::class . '.graphql-build');