export declare const hex: (bytes: Uint8Array) => string;
export declare const isHex: (text: unknown, length?: number) => text is string;
export declare const unhex: (text: string) => Uint8Array;
export declare const concat: (...parts: Uint8Array[]) => Uint8Array;
export declare const zero: (bytes: Uint8Array) => boolean;
export declare const utf8: (text: string) => Uint8Array;