/**
 * Removes the trailing slash from a URL string.
 *
 * @example
 * ```
 * This:
 * https://www.finsweet.com/attributes/attractions/capri-island/
 *
 * Becomes:
 * https://www.finsweet.com/attributes/attractions/capri-island
 * ```
 *
 * @param value The value to mutate.
 * @returns A new string without a trailing slash.
 */
export declare const removeTrailingSlash: (value: string) => string;
/**
 * Convert a string of comma separated values to an array of values.
 *
 * @param string Comma separated string.
 * @param filterEmpty Defines if empty values should be filtered out of the returned array. Defaults to `true`.
 */
export declare const extractCommaSeparatedValues: (string: string | null | undefined, filterEmpty?: boolean) => string[];