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/Duration/constants.js

@@ -0,0 +1,9 @@
+export var DurationUnitEnum;
+(function (DurationUnitEnum) {
+    DurationUnitEnum["ROUND"] = "Round";
+    DurationUnitEnum["MINUTE"] = "Minute";
+    DurationUnitEnum["HOUR"] = "Hour";
+    DurationUnitEnum["DAY"] = "Day";
+    DurationUnitEnum["UNTIL_DISPELLED"] = "Until Dispelled";
+    DurationUnitEnum["SPECIAL"] = "Special";
+})(DurationUnitEnum || (DurationUnitEnum = {}));