import Big, { BigSource } from 'big.js';
import { MovingAverage } from '../MA/MovingAverage';
import { NumberIndicatorSeries } from '../Indicator';
export declare class WSMA extends MovingAverage {
    readonly interval: number;
    private readonly indicator;
    private readonly smoothingFactor;
    constructor(interval: number);
    update(price: BigSource): Big | void;
}
export declare class FasterWSMA extends NumberIndicatorSeries {
    readonly interval: number;
    private readonly indicator;
    private readonly smoothingFactor;
    constructor(interval: number);
    update(price: number): number | void;
}