import { Renderable, TNode } from '../types/domain';
import { Value } from '../std/value';
/**
 * Lazily renders content based on a boolean condition.
 * @param condition - The condition to evaluate
 * @param then - Function returning content to render if condition is true
 * @param otherwise - Optional function returning content to render if condition is false
 * @returns Renderable content
 * @public
 */
export declare const When: (condition: Value<boolean>, then: () => TNode, otherwise?: () => TNode) => Renderable;
/**
 * Lazily renders content when a condition is false.
 * @param condition - The condition to evaluate
 * @param then - Function returning content to render if condition is false
 * @param otherwise - Optional function returning content to render if condition is true
 * @returns Renderable content
 * @public
 */
export declare const Unless: (condition: Value<boolean>, then: () => TNode, otherwise?: () => TNode) => Renderable;