export declare class TxTask<T> {
    protected _reply?: any;
    head: T;
    data: any;
    constructor(head: T, data?: {}, _reply?: any);
    getHead(): T;
    setHead(head: any): void;
    getData(): any;
    setData(data: any): void;
    setReply(_reply: any): this;
    reply(): any;
    isReply(): boolean;
    get(): {
        head: T;
        data: any;
    };
    set(head: T, data: any): this;
}