/// <reference types="node" />
import EventEmitter from "eventemitter3";
import { CMD } from "../types";
import SerialSocket from "../serial.socket";
export type Header = {
    id: string;
    idx: number;
    total: number;
    sid: string;
    cmd: CMD;
};
export type DataPartInfo = {
    list: {
        data: Buffer;
        idx: number;
        total: number;
    }[];
    total: number;
    fillTotal: number;
    startTime: number;
};
export declare const help: {
    isHandle(data: Buffer): boolean;
    isFull(data: Buffer): boolean;
    parseReq(data: Buffer): {
        header: Header;
        content: Buffer;
        subData: Buffer;
    };
};
export type EventType = {
    done: (header: {
        id: string;
        cmd: CMD;
        sid: string;
    }, data: Buffer) => void;
    error: (err: Error) => void;
};
export type SendData = {
    cmd: CMD;
    sessionId: string;
    data?: Buffer | string | ArrayBuffer | object;
};
export type SendCallback = (err: Error | null, data: Buffer) => void;
/**
 * 数据接收解析
 */
export declare class DataTransform extends EventEmitter<EventType> {
    readonly socket: SerialSocket;
    private _chunkedData;
    private _cacheTTL;
    private historysData;
    private _pCheckId;
    constructor(socket: SerialSocket);
    incrementMsgId(): string;
    /**
     * 处理 serialsocket 序列化类发送的数据封装
     * @param data
     */
    handleSendData(sendData: SendData, callback: SendCallback): void;
    private handleSendDataFace;
    /**
     * 处理 serialsocket 序列化类接收到的数据解封
     * @param data
     */
    handleReceiveData(data: Buffer): void;
    private handleReceiveDataFace;
    clear(): void;
}