Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/packages/rules-engine/es/engine/CampaignSetting/accessors.js

@@ -0,0 +1,7 @@
+export function getEnabledSourceIds(campaignSetting) {
+    return campaignSetting.enabledSourceIds;
+}
+export function getAvailableSourceIds(campaignSetting) {
+    var _a;
+    return (_a = campaignSetting === null || campaignSetting === void 0 ? void 0 : campaignSetting.availableSources) === null || _a === void 0 ? void 0 : _a.map((s) => s.sourceId);
+}

ddb_main/packages/rules-engine/es/engine/CampaignSetting/index.js

@@ -0,0 +1,3 @@
+import * as CampaignSettingAccessors from './accessors';
+export { CampaignSettingAccessors };
+export default Object.assign({}, CampaignSettingAccessors);