Grabbed dndbeyond's source code

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

ddb_main/node_modules/@mui/system/esm/RtlProvider/index.js

@@ -0,0 +1,25 @@
+import _extends from "@babel/runtime/helpers/esm/extends";
+import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
+const _excluded = ["value"];
+import * as React from 'react';
+import PropTypes from 'prop-types';
+import { jsx as _jsx } from "react/jsx-runtime";
+const RtlContext = /*#__PURE__*/React.createContext();
+function RtlProvider(_ref) {
+  let {
+      value
+    } = _ref,
+    props = _objectWithoutPropertiesLoose(_ref, _excluded);
+  return /*#__PURE__*/_jsx(RtlContext.Provider, _extends({
+    value: value != null ? value : true
+  }, props));
+}
+process.env.NODE_ENV !== "production" ? RtlProvider.propTypes = {
+  children: PropTypes.node,
+  value: PropTypes.bool
+} : void 0;
+export const useRtl = () => {
+  const value = React.useContext(RtlContext);
+  return value != null ? value : false;
+};
+export default RtlProvider;