import { Unsubscribe } from '@alicloud/console-base-messenger-base';
import { PayloadMicroBrowserVisibilityEvent } from '@alicloud/console-base-messenger-micro-browser-portal';
/** [微文档显隐] 订阅器载荷 */
type TPayload = PayloadMicroBrowserVisibilityEvent;
/** [微文档显隐] 订阅器 */
type TSubscribe = (payload: TPayload) => void;
export type { TPayload as PayloadMicroHelpVisibleChange, TSubscribe as SubscribeMicroHelpVisibleChange };
/**
 * 通知应用「微文档显隐」变化
 */
export declare function microHelpVisibleChange(payload: TPayload): void;
/**
 * 应用订阅「微文档显隐」消息
 *
 * @param once 是否监听一次
 */
export declare function onMicroHelpVisibleChange(subscribe: TSubscribe, once?: boolean): Unsubscribe;