Manual follow-on tweaks to get the build green again.
diff --git a/provider_client.go b/provider_client.go
index 092a078..3316733 100644
--- a/provider_client.go
+++ b/provider_client.go
@@ -59,7 +59,7 @@
 
 	// JSONResponse, if provided, will be populated with the contents of the response body parsed as
 	// JSON.
-	JSONResponse *interface{}
+	JSONResponse interface{}
 	// OkCodes contains a list of numeric HTTP status codes that should be interpreted as success. If
 	// the response has a different code, an error will be returned.
 	OkCodes []int