import { Directive } from '../types.js';
/**
 * Toggle element visibility based on an expression.
 *
 * @remarks
 * Sets `display: none` when the expression is falsy,
 * removes inline display style when truthy.
 *
 * @example
 * ```html
 * <div g-show="isVisible">Visible content</div>
 * <div g-show="items.length > 0">Has items</div>
 * ```
 */
export declare const show: Directive<['$expr', '$element', '$eval']>;