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docs/adr/0006-filters.md

@@ -103,7 +103,9 @@ final class Parameter {
     public string $key;
     public \ArrayObject schema;
     public array $context;
-    public function provider(): Operation;
+    public OpenApi\Parameter $openApi;
+    public string|callable provider(): Operation;
+    public string|callable filter();
 
     /**
      * The filters should be called within the API Platform state providers as they alter the Doctrine/Elasticsearch Query, 
@@ -123,6 +125,8 @@ $queryString = RequestParser::getQueryString($request);
 $request->attributes->set($queryString ? RequestParser::parseRequestParams($queryString) : []);
 ```
 
+On top of that we will provide an additional `_api_header_parameters`. Should be filled only the specified parameters on an operation.
+
 ### Parameter Provider
 
 During the `Provider` phase (`RequestEvent::REQUEST`), we could use a `ParameterProvider`: