/**
 * beforeChange 处理函数类型
 */
export interface BeforeChangeFunction {
    (value?: any): boolean | void | Promise<any>;
}
/**
 * beforeChange 处理工具函数
 * 直接调用形式：handleBeforeChange(beforeChange, value).then()
 *
 * @param beforeChange beforeChange 函数
 * @param value 要验证的值
 * @returns Promise
 */
export declare function handleBeforeChange<T = any>(beforeChange?: BeforeChangeFunction, value?: T): Promise<T>;