val bindings = JvmSerializationBindings().also { collectBindings(firFile.declarations, mapping, it) }
        val (serializer, stringTable) = createTopLevelSerializer(bindings)
        val fileProto = serializer.packagePartProto(firFile, null)
        return generateAnnotation(fileProto.build(), stringTable, KotlinClassHeader.Kind.FILE_FACADE)
    }

    private fun collectBindings(
        declarations: List<FirDeclaration>,