declare type Options = {
    /** only return the indefinite article, do not combine with the input */
    only?: boolean;
};
/**
 * Determine the appropriate indefinite article to use with a word.
 *
 * @remarks The answer is derived from a simple rules engine, it attempts to cover most exceptions
 * to the rules, but the English language has lots of quirks, and this rules engine can not cover them
 * all
 *
 * @param word The word
 * @param __namedParameters see {@link Options}
 * @default only false
 * @returns The appropriate indefinite article ("a" or "an") combined with the input word.  If the only
 * option is used, only the indefinite article is returned.
 */
export declare function indefiniteArticle(word: string, { only }?: Options): string;
export default indefiniteArticle;