/// <reference types="node" />
import { OutPoint } from "@node-lightning/core";
import { ChannelAnnouncementMessage } from "./ChannelAnnouncementMessage";
/**
 * Decorator for the channel_announcement that includes the additional
 * information provided by the on-chain validation. Specifically, the
 * channel_announcement message only has a short_channel_id with block, tx num,
 * and vout num. We need to obtain the txid as well as the outpoint value to
 * determine the value of the channel.
 *
 * This information is stored in this decorator class which can be broadcast
 * and used downstream by clients that need both sets of information. Additionally
 * the use of this decorator allows us to store the on-chain data along side the
 * channel_announcement data if so desired.
 */
export declare class ExtendedChannelAnnouncementMessage extends ChannelAnnouncementMessage {
    /**
     * Constructs a new ExtendedChannelAnnouncementMessage from the plain-jane
     * ChannelAnnouncementMessage
     */
    static fromMessage(msg: ChannelAnnouncementMessage): ExtendedChannelAnnouncementMessage;
    static deserialize(payload: Buffer): ExtendedChannelAnnouncementMessage;
    /**
     * OutPoint for the channel that includes the transaction identifier as well
     * as the vout index. This information is obtained by finding the transaction
     * in a block based on the short_channel_id.
     */
    outpoint: OutPoint;
    /**
     * Capacity of the funding transaction. This information is obtained from on-chain
     * validation of the transaction.
     */
    capacity: bigint;
    serialize(): Buffer;
}