export declare type Options = {
    /** If true, trim  */
    trim?: boolean;
};
/**
 * Replace all whitespace within a string with a single space
 *
 * @param input The string
 * @param trim If true, remove leading and trailing whitespace
 */
export declare function collapseWhitespace(input: string, { trim }?: Options): string;
export default collapseWhitespace;