import { ECCurve, EdCurve } from '@desig/core';
import { Curve } from '@desig/supported-chains';
import { Endianness } from 'bn.js';
export declare const toSmallNumber: (a: Uint8Array, en?: Endianness) => number;
export declare const ec: Record<Curve, typeof EdCurve | typeof ECCurve>;
export declare const isHex: (hex: string) => number;
export declare const isBase58: (str?: string) => str is string;
export declare const isAddress: (pubkey?: string) => pubkey is string;