import type { OpenHighLowClose } from '../../base/Candle.type.js';
import { IndicatorSeries } from '../../base/Indicator.js';
export declare class RogersSatchellVolatility extends IndicatorSeries<OpenHighLowClose> {
    #private;
    readonly interval: number;
    constructor(interval?: number);
    getRequiredInputs(): number;
    update({ close, high, low, open }: OpenHighLowClose, replace: boolean): number | null;
}