/// <reference types="node" />
import { Transaction } from '../transaction/transaction';
export declare const SIGHASH_ALL = 1;
export declare const SIGHASH_NONE = 2;
export declare const SIGHASH_SINGLE = 3;
export declare const SIGHASH_ANYONECANPAY = 128;
export declare class Signature {
    signature: Buffer;
    hashType: number;
    constructor(signature: Buffer, hashType?: number);
    getHashType(): number;
    anyoneCanPay(): boolean;
    toDER(): Buffer;
    toBuffer(): Buffer;
    static toDER(x: Buffer): Buffer;
    static fromDER(x: Buffer): Buffer;
    static fromBuffer(buffer: Buffer): Signature;
    static hash(tx: Transaction, inputIndex: number, prevOutScript: string | Buffer, hashType?: number): Buffer;
}