export declare class HistoryReq {
    private _symbol;
    private _after;
    private _before;
    private _limit;
    get symbol(): string;
    set symbol(value: string);
    get after(): string;
    set after(value: string);
    get before(): string;
    set before(value: string);
    get limit(): string;
    set limit(value: string);
}