import type { OneOrMany } from './types.ts';
/**
 * Class manipulation utilities for DOM elements.
 * Wraps classList API with support for operating on multiple elements at once.
 *
 * @example
 *     classify.add(el, ['active', 'highlighted']);
 *     classify.toggle([el1, el2], 'visible');
 *     classify.swap(el, 'open', 'closed');
 */
export declare const classify: {
    /**
     * Add one or more classes to one or many elements.
     *
     * @example
     *     classify.add(el, ['active', 'highlighted']);
     *     classify.add([el1, el2], 'visible');
     */
    add(els: OneOrMany<Element>, names: string | string[]): void;
    /**
     * Remove one or more classes from one or many elements.
     *
     * @example
     *     classify.remove(el, ['active', 'highlighted']);
     */
    remove(els: OneOrMany<Element>, names: string | string[]): void;
    /**
     * Toggle a class on one or many elements.
     * Each element toggles independently based on its own state.
     *
     * @example
     *     classify.toggle(el, 'active');
     *     classify.toggle([el1, el2], 'visible');
     */
    toggle(els: OneOrMany<Element>, name: string): void;
    /**
     * Check whether a single element has a class.
     *
     * @example
     *     if (classify.has(el, 'active')) { ... }
     */
    has(el: Element, name: string): boolean;
    /**
     * Swap between two classes on one or many elements.
     * If the element has class `a`, it gets `b` instead (and vice versa).
     * If the element has neither, nothing happens.
     *
     * @example
     *     classify.swap(el, 'open', 'closed');
     */
    swap(els: OneOrMany<Element>, a: string, b: string): void;
};