/// <reference types="node" />
import { MessageType } from '../MessageType';
import { BatchFundingGroup } from './BatchFundingGroup';
import { CetAdaptorSignatures, ICetAdaptorSignaturesJSON } from './CetAdaptorSignatures';
import { IDlcMessage } from './DlcMessage';
import { FundingSignatures, IFundingSignaturesJSON } from './FundingSignatures';
/**
 * DlcSign gives all of the initiator's signatures, which allows the
 * receiver to broadcast the funding transaction with both parties being
 * fully committed to all closing transactions.
 * Updated to support dlcspecs PR #163 format.
 */
export declare class DlcSign implements IDlcMessage {
    static type: MessageType;
    /**
     * Creates a DlcSign 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 sign
     */
    static fromJSON(json: any): DlcSign;
    /**
     * Parses CetAdaptorSignatures from JSON
     * @param cetSigsJson JSON object representing CET adaptor signatures
     */
    private static parseCetAdaptorSignaturesFromJSON;
    /**
     * Parses FundingSignatures from JSON
     * @param fundingSigsJson JSON object representing funding signatures
     */
    private static parseFundingSignaturesFromJSON;
    /**
     * Deserializes a sign_dlc message
     * @param buf
     */
    static deserialize(buf: Buffer): DlcSign;
    /**
     * The type for sign_dlc message. sign_dlc = 42782
     */
    type: MessageType;
    protocolVersion: number;
    contractId: Buffer;
    cetAdaptorSignatures: CetAdaptorSignatures;
    refundSignature: Buffer;
    fundingSignatures: FundingSignatures;
    batchFundingGroups?: BatchFundingGroup[];
    unknownTlvs?: Array<{
        type: number;
        data: Buffer;
    }>;
    /**
     * Validates correctness of all fields
     * Updated validation rules as per dlcspecs PR #163
     * @throws Will throw an error if validation fails
     */
    validate(): void;
    /**
     * Converts sign_dlc to JSON (canonical rust-dlc format)
     */
    toJSON(): IDlcSignJSON;
    /**
     * Serializes the sign_dlc message into a Buffer
     * Updated serialization format as per dlcspecs PR #163
     */
    serialize(): Buffer;
}
export interface IDlcSignJSON {
    protocolVersion: number;
    contractId: string;
    cetAdaptorSignatures: ICetAdaptorSignaturesJSON;
    refundSignature: string;
    fundingSignatures: IFundingSignaturesJSON;
}
export declare class DlcSignContainer {
    private signs;
    /**
     * Adds a DlcSign to the container.
     * @param sign The DlcSign to add.
     */
    addSign(sign: DlcSign): void;
    /**
     * Returns all DlcSigns in the container.
     * @returns An array of DlcSign instances.
     */
    getSigns(): DlcSign[];
    /**
     * Serializes all DlcSigns in the container to a Buffer.
     * @returns A Buffer containing the serialized DlcSigns.
     */
    serialize(): Buffer;
    /**
     * Deserializes a Buffer into a DlcSignContainer with DlcSigns.
     * @param buf The Buffer to deserialize.
     * @returns A DlcSignContainer instance.
     */
    static deserialize(buf: Buffer): DlcSignContainer;
}