import type { ComponentPublicInstance } from "vue"; export declare function getDeviceInfo(): UniApp.GetDeviceInfoResult | UniApp.GetSystemInfoResult; export declare function getWindowInfo(): UniApp.GetWindowInfoResult | UniApp.GetSystemInfoResult; export declare function getAppBaseInfo(): UniApp.GetAppBaseInfoResult | UniApp.GetSystemInfoResult; export declare function getVersion(): string; export declare function compareVersion(v1: string, v2: string): 0 | 1 | -1; export declare function querySelect( component: ComponentPublicInstance, selector: string, fields: UniApp.NodeField ): Promise;