/**
 * Token list
 *
 * @class TokenList
 * @extends DSComponent
 * @property {Array<string>} tokens - array of tokens
 */
declare class TokenList {
    private tokens;
    /**
     * TokenList is a rough equivalent of DOMTokenList for managing a space-separated list of strings.
     *
     * @param {string} tokens
     */
    constructor(tokens: string);
    /**
     * Add one or more strings to the token list
     *
     * @param {string | Array<string>} itemsToAdd - space-separated list or array of strings to add
     * @returns {string} - updated value of the token list
     */
    add(itemsToAdd: string | Array<string>): string;
    /**
     * Remove one or more strings from the token list
     *
     * @param {string} tokens - space-separated list of strings to remove
     * @returns {string} - updated value of the token list
     */
    remove(tokens: string): string;
    /**
     * Check if the token list contains a specific string
     *
     * @param {string} token - string to check for
     * @returns {boolean}
     */
    contains(token: string): boolean;
    /**
     * Get the current value of the token list as a space-separated string
     *
     * @returns {string}
     */
    get value(): string;
}
export default TokenList;