import { UserConfig } from '@iotize/device-client.js/config/schema/v1';
export declare const SPECIAL_USERS: UserConfig[];
export declare function toEnum<T>(value: string, enumMapping: any): T;
export declare function enumToString<T>(value: T, mapping: any): string;
export declare function strToHex(input: string): Uint8Array;
export declare function isSpecialUser(username: string): boolean;
