import { isoly } from "isoly";
import { fx } from "../../fx";
import type { Rule } from "../../Rule";
import { Exchange } from "../Exchange";
import { Charge as AmountCharge } from "./Charge";
export interface Amount {
    original: number;
    charge: number;
    charges?: Amount.Charge;
    total: number;
    exchange?: Exchange;
}
export declare namespace Amount {
    export import Charge = AmountCharge;
    const type: import("isly/dist/cjs/object").IslyObject<Amount, object>;
    function fromState(state: Rule.State, charges?: Charge, quote?: fx.Quote): Amount;
    function change(currency: isoly.Currency, amount: Amount, change: number, type: Exclude<keyof Amount, "total" | "exchange" | "charges">): Amount;
}