export declare function format(first: string, middle: string, last: string): string; export declare function toKebabCase(str: string): string; export declare function formatDate(date: string): string; export declare function stripHtmlContent(content: string): string; export declare const generateComponentTable: (componentsData: any, tag: string) => string; export declare const withComponentControls: (componentsData: any, { tag, prefixNames }: { tag: string; prefixNames?: boolean; }) => any; export declare function extractArgTypes(componentsData: any, subComponentTags: string[]): any; export declare function formatFileSize(sizeInBytes: any): string; export declare function hasSlotContent(el: HTMLElement): boolean;