react-test/docs/data/material/components/radio-buttons/UseRadioGroup.tsx

import { styled } from '@mui/material/styles';
import RadioGroup, { useRadioGroup } from '@mui/material/RadioGroup';
import FormControlLabel, {
  FormControlLabelProps,
} from '@mui/material/FormControlLabel';
import Radio from '@mui/material/Radio';

interface StyledFormControlLabelProps extends FormControlLabelProps {
  checked: boolean;
}

const StyledFormControlLabel = styled((props: StyledFormControlLabelProps) => (
  <FormControlLabel {...props} />
))(({ theme }) => ({
  variants: [
    {
      props: { checked: true },
      style: {
        '.MuiFormControlLabel-label': {
          color: theme.palette.primary.main,
        },
      },
    },
  ],
}));

function MyFormControlLabel(props: FormControlLabelProps) {
  const radioGroup = useRadioGroup();

  let checked = false;

  if (radioGroup) {
    checked = radioGroup.value === props.value;
  }

  return <StyledFormControlLabel checked={checked} {...props} />;
}

export default function UseRadioGroup() {
  return (
    <RadioGroup name="use-radio-group" defaultValue="first">
      <MyFormControlLabel value="first" label="First" control={<Radio />} />
      <MyFormControlLabel value="second" label="Second" control={<Radio />} />
    </RadioGroup>
  );
}