How to use the @contentful/forma-36-tokens.fontSizeL function in @contentful/forma-36-tokens

import tokens from '@contentful/forma-36-tokens';
import { SDKContext, GlobalStateContext } from './all-context';
import VariationSelect from './variation-select';
import VariationStats from './variations-stats';
import { getAdditionalEntryInformation } from './utils';

const styles = {
  variationContainer: css({
    marginTop: tokens.spacingXl
  }),
  variationTitle: css({
    small: {
      color: tokens.colorTextLight,
      fontWeight: tokens.fontWeightNormal,
      marginLeft: tokens.spacingXs,
      fontSize: tokens.fontSizeL
    }
  }),
  variationDescription: css({
    whiteSpace: 'nowrap',
    overflow: 'hidden',
    textOverflow: 'ellipsis',
    color: tokens.colorTextLight,
    marginTop: tokens.spacingXs
  }),
  entryCard: css({
    marginTop: tokens.spacingM
  }),
  missingNote: css({
    marginTop: tokens.spacingM
  })
};