--- original
+++ modified
@@ -257,6 +257,10 @@
     'canGc': ['CheckValidity', 'GetLabels', 'GetValidity', 'SetValidity', 'ReportValidity', 'States'],
 },

+'Embedder': {
+    'additionalTraits': ['crate::interfaces::EmbedderHelpers'],
+},
+
 'EventSource': {
     'weakReferenceable': True,
 },