The Envoy access_log documentation has an example with REQ(X-ENVOY-ORIGINAL-PATH?:PATH) for logging the request's path, but both the :PATH and X-ENVOY-ORIGINAL-PATH header contain the query string..

When defining a path parameter or a query parameter as an enum, the a string is passed to the controller method. If defined as a component schema, an enum is correctly created and passed to the ...