import generateUtilityClass from '@mui/utils/generateUtilityClass'; import generateUtilityClasses from '@mui/utils/generateUtilityClasses'; export function getReferenceLineUtilityClass(slot) { return generateUtilityClass('MuiChartsReferenceLine', slot); } export const referenceLineClasses = generateUtilityClasses('MuiChartsReferenceLine', ['root', 'vertical', 'horizontal', 'line', 'label']);