powerpoint-toolbox/node_modules/@fluentui/react-overflow/lib/constants.js

export const DATA_OVERFLOWING = 'data-overflowing';
export const DATA_OVERFLOW_ITEM = 'data-overflow-item';
export const DATA_OVERFLOW_MENU = 'data-overflow-menu';
export const DATA_OVERFLOW_DIVIDER = 'data-overflow-divider';