/// <reference types="node" />
import { MessageType } from '../MessageType';
import { IDlcMessage } from './DlcMessage';
import { FundingInput, IFundingInputJSON } from './FundingInput';
import { FundingSignatures, IFundingSignaturesJSON } from './FundingSignatures';
/**
 * DlcClose message contains information about a node and indicates its
 * desire to close an existing contract.
 * Updated to follow DlcOffer architectural patterns.
 */
export declare class DlcClose implements IDlcMessage {
    static type: MessageType;
    /**
     * Creates a DlcClose from JSON data (e.g., from test vectors)
     * Handles both our internal format and external test vector formats
     * @param json JSON object representing a DLC close message
     */
    static fromJSON(json: any): DlcClose;
    /**
     * Deserializes a close_dlc message with backward compatibility
     * Detects old format (without protocol_version) vs new format (with protocol_version)
     * @param buf
     */
    static deserialize(buf: Buffer): DlcClose;
    /**
     * The type for close_dlc message. close_dlc = 52170
     */
    type: MessageType;
    protocolVersion: number;
    contractId: Buffer;
    closeSignature: Buffer;
    offerPayoutSatoshis: bigint;
    acceptPayoutSatoshis: bigint;
    fundInputSerialId: bigint;
    fundingInputs: FundingInput[];
    fundingSignatures: FundingSignatures;
    unknownTlvs?: Array<{
        type: number;
        data: Buffer;
    }>;
    /**
     * Validates correctness of all fields
     * @throws Will throw an error if validation fails
     */
    validate(): void;
    /**
     * Converts dlc_close to JSON (canonical rust-dlc format)
     */
    toJSON(): IDlcCloseJSON;
    /**
     * Serializes the close_dlc message into a Buffer
     * Updated serialization format to match DlcOffer patterns
     */
    serialize(): Buffer;
}
export interface IDlcCloseJSON {
    type?: number;
    protocolVersion: number;
    contractId: string;
    closeSignature: string;
    offerPayoutSatoshis: number;
    acceptPayoutSatoshis: number;
    fundInputSerialId: number;
    fundingInputs: IFundingInputJSON[];
    fundingSignatures: IFundingSignaturesJSON;
    serialized?: string;
    tlvs?: any[];
}