import type { SlotContent } from '../typings/index.js';
/**
 * Check whether a slot is currently empty.
 *
 * 检查插槽当前是否为空
 *
 * @param normalizedSlotContent - The normalized slot content, which should be the results of the slot function / 标准化的插槽内容，应该是插槽函数的结果
 *
 * @returns True if the slot content is empty, false otherwise / 如果插槽内容为空则返回 true，否则返回 false
 */
export declare const isSlotContentEmpty: (normalizedSlotContent: SlotContent) => boolean;