/// <reference types="miniprogram-api-typings" />
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<WechatMiniprogram.BoundingClientRectCallbackResult>
export declare function getAllRect(
  this: WechatMiniprogram.Component.TrivialInstance,
  selector: string
): Promise<WechatMiniprogram.BoundingClientRectCallbackResult[]>
export declare function toPromise(
  promiseLike: Promise<unknown> | unknown
): Promise<unknown>