import type { IFIXParser } from '../IFIXParser.ts';
import type { Message } from '../message/Message.ts';
/**
 * Handles message sequence validation in a FIX session.
 * This function checks if the received message's sequence number matches the expected sequence number.
 * If there is a mismatch, it sends a ResendRequest message to request the missing messages.
 *
 * @param {IFIXParser} parser - The FIX parser instance handling the session
 * @param {Message} message - The message to validate sequence number for
 * @returns {boolean} - Returns true if the sequence number is valid, false otherwise
 */
export declare const handleSequence: (parser: IFIXParser, message: Message) => boolean;