import { BytesBuilder } from '../utils/bytesBuilder';
import { BytesReader } from '../utils/bytesReader';
import { AuxPow } from './auxpow';
import { IStandardBlockHeaderAuxPow, IStandardBlockHeaderAuxPowJSON } from './types';
declare class BlockHeader implements IStandardBlockHeaderAuxPow {
    auxData?: AuxPow | undefined;
    version: number;
    prevHash: string;
    merkleRoot: string;
    timestamp: number;
    bits: number;
    nonce: number;
    constructor({ version, prevHash, merkleRoot, timestamp, bits, nonce, auxData, }: IStandardBlockHeaderAuxPow);
    getTarget(): bigint;
    isNull(): boolean;
    getBaseVersion(): number;
    getChainId(): number;
    isAuxPow(): boolean;
    isLegacy(): boolean;
    byteLength(): number;
    writeToBytesBuilder(builder: BytesBuilder): BytesBuilder;
    toBuffer(): Uint8Array;
    toHex(): string;
    static fromBytesReader(reader: BytesReader): BlockHeader;
    static fromBuffer(buffer: Uint8Array): BlockHeader;
    static fromHex(hex: string): BlockHeader;
    static fromBase(header: IStandardBlockHeaderAuxPow): BlockHeader;
    static fromBlockHeaderJSON(header: IStandardBlockHeaderAuxPowJSON): BlockHeader;
    toBlockHeaderJSON(): IStandardBlockHeaderAuxPowJSON;
}
export { BlockHeader, };