ruffer-pattern-portfolio/build/lib/Organism/Menu/MenuProps.d.ts

This is the end result from https://dev.to/swyx/quick-guide-to-setup-your-react--typescript-storybook-design-system-1c51

export interface MenuProps {
    loading?: boolean;
    buttons: any[];
    activeIndex: string;
    onActivateButton?: () => Event;
}