import { CountPrice } from '../models/assets-history';
type ChangeNumberFunc = (prev: number) => number;
export declare class CountPriceMapper {
    static toCount(countPrice: CountPrice): number | undefined;
    static toPrice(countPrice: CountPrice): number | undefined;
    static toReserveCount(countPrice: CountPrice): number | undefined;
    private static changePrice;
    static toCountPrice(count: number, price: number, reserveCount?: number): CountPrice;
    static setReserveCount(countPrice: CountPrice, reserveCount: number): CountPrice | undefined;
    static changeCount(countPrice: CountPrice, changeFunc: ChangeNumberFunc): CountPrice | undefined;
    private static changeCountAndPrice;
    static subtractPrice(countPrice: CountPrice, price: number): CountPrice;
    static subtractCount(countPrice: CountPrice, count: number): CountPrice;
    static addCount(countPrice: CountPrice, count: number): CountPrice;
    static applyRatio(countPrice: CountPrice, ratio: number): CountPrice | undefined;
    static applyRate(countPrice: CountPrice, rate: number): CountPrice | undefined;
}
export {};