export declare function kebabToTitleCase(str: string): string;
export declare function toTitleCase(str: string): string;
export declare function truncate(str: string, length: number, suffix?: string): string;
export declare function extractDomain(url: string): string | null;
export declare function formatDuration(seconds: number | undefined): string;
export declare function generateRandomString(length?: number): string;
export declare function getTitleFromUrl(url: string): string;
/**
 * Counts a noun: `pluralize(1, "file")` is "1 file", `pluralize(2, "file")` is
 * "2 files". Pass `plural` for a noun that does not just take an "s".
 */
export declare function pluralize(count: number, singular: string, plural?: string): string;