/**
 * Utilities for rendering lists to strings/prompts.
 */
export declare namespace ListFormatting {
    /**
     * Format a list with commas and a joiner word.
     *
     * Example: `formatList(['a', 'b', 'c'], 'and or') -> 'a, b, and or c'`
     *
     * This can mostly be replaced with Intl.ListFormat(style:'long', ..) once it is implemented for NodeJS.
     * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/ListFormat
     *
     * @param arr - Array
     * @param joiner - Joiner
     */
    function format(arr: string[], joiner?: string): string;
}
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