/// export declare function isDef(value: any): boolean; export declare function isObj(x: any): boolean; export declare function range(num: number, min: number, max: number): number; export declare function nextTick(fn: Function): void; export declare function getSystemInfoSync(): WechatMiniprogram.GetSystemInfoSyncResult; export declare function addUnit(value?: string | number): string | undefined; export declare function requestAnimationFrame( cb: Function ): void | WechatMiniprogram.NodesRef; export declare function pickExclude(obj: unknown, keys: string[]): {}; export declare function getRect( this: WechatMiniprogram.Component.TrivialInstance, selector: string ): Promise; export declare function getAllRect( this: WechatMiniprogram.Component.TrivialInstance, selector: string ): Promise;