New source found from dndbeyond.com

ddb_main/node_modules/@mui/material/ButtonBase/ButtonBase.js

@@ -10,7 +10,7 @@ import refType from '@mui/utils/refType';
 import elementTypeAcceptingRef from '@mui/utils/elementTypeAcceptingRef';
 import composeClasses from '@mui/utils/composeClasses';
 import styled from '../styles/styled';
-import useThemeProps from '../styles/useThemeProps';
+import { useDefaultProps } from '../DefaultPropsProvider';
 import useForkRef from '../utils/useForkRef';
 import useEventCallback from '../utils/useEventCallback';
 import useIsFocusVisible from '../utils/useIsFocusVisible';
@@ -84,7 +84,7 @@ export const ButtonBaseRoot = styled('button', {
  * It contains a load of style reset and some focus/ripple logic.
  */
 const ButtonBase = /*#__PURE__*/React.forwardRef(function ButtonBase(inProps, ref) {
-  const props = useThemeProps({
+  const props = useDefaultProps({
     props: inProps,
     name: 'MuiButtonBase'
   });