/**
 * Event handling directive.
 *
 * @packageDocumentation
 */
import { Directive } from '../types.js';
/**
 * Bind event handler to element.
 *
 * @remarks
 * The handler receives the event object and can call preventDefault(),
 * stopPropagation(), etc. as needed.
 *
 * @example
 * ```html
 * <button g-on="click: handleClick">Click me</button>
 * <form g-on="submit: save">
 * <input g-on="keydown: onKey">
 * ```
 */
export declare const on: Directive<['$expr', '$element', '$eval', '$scope']>;