export declare const delay: (timeout: any) => Promise<void>;
export declare function arrayBufferToHexStringArray(buffer: any): any;
export declare function hexToArrayBuffer(hex: any): ArrayBufferLike;
export declare function noop(): void;
export declare function isEmpty(any: any): boolean;
export declare function usePromise(): {
    promise: Promise<unknown>;
    resolve: any;
    reject: any;
};
export declare const pify: (api: any, context?: any) => (params: any, ...others: any[]) => Promise<unknown>;
export declare function byteArrayToStr(bytes: any): any;
export declare function hexToStr(hex: any): any;
export declare const tryCallHandler: (context: any, eventName: any, ...params: any[]) => void;
export declare const injectEventHandler: (context: any, eventName: any) => void;
export declare function str2hexStr(str: any): string;
export declare const md5: (string: any) => any;
export declare function fetchAllList(fetchFn: any): Promise<any[]>;
export interface PromiseObj<T = any> {
    promise: Promise<T>;
    resolve: (T?: any) => any;
    reject: (any?: any) => any;
}
export declare function genPromise<T = any>(): PromiseObj<T>;
export declare function hex2str(hex: any): any;
export declare function isIOS(): boolean;
export declare function requestXHR(url: any, data?: {}, opts?: any): Promise<any>;
export declare function downLoadFile(url: any): Promise<unknown>;
export declare function blob2ArrayBuffer(blobData: any): Promise<unknown>;
interface DeviceData {
    [key: string]: {
        Value: any;
        LastUpdate: number;
    };
}
/**
 * @example  {a: {Value: 1, LastUpdate: 1665474777033}} => {a: 1}
 */
export declare function parseDeviceData(deviceData?: DeviceData): {};
export {};