import { Ref } from "vue";
/**
 * @description 纯粹是创建一个响应式布尔值
 * @param f 默认值
 */
export declare const useFlag: (f?: Boolean) => {
    flag: Ref<Boolean>;
    setTrue: () => void;
    setFalse: () => void;
    toggle: () => void;
};