/// <reference types="node" />
import BN from "bn.js";
import { AddressString, BigIntString, HexString, IntNumber, RegExpString } from "./types/common";
export declare function hexStringFromBuffer(buf: Buffer, includePrefix?: boolean): HexString;
export declare function bigIntStringFromBN(bn: BN): BigIntString;
export declare function intNumberFromHexString(hex: HexString): IntNumber;
export declare function hexStringFromIntNumber(num: IntNumber): HexString;
export declare function has0xPrefix(str: string): boolean;
export declare function strip0x(hex: string): string;
export declare function prepend0x(hex: string): string;
export declare function isHexString(hex: unknown): hex is HexString;
export declare function ensureHexString(hex: unknown, includePrefix?: boolean): HexString;
export declare function ensureEvenLengthHexString(hex: unknown, includePrefix?: boolean): HexString;
export declare function ensureAddressString(str: unknown): AddressString;
export declare function ensureBuffer(str: unknown): Buffer;
export declare function ensureIntNumber(num: unknown): IntNumber;
export declare function ensureRegExpString(regExp: unknown): RegExpString;
export declare function ensureBN(val: unknown): BN;
export declare function isBigNumber(val: unknown): boolean;
export declare function range(start: number, stop: number): number[];