import type { HighLow } from '../../base/Candle.type.js';
import { TechnicalIndicator } from '../../base/Indicator.js';
export type AroonResult = {
    aroonDown: number;
    aroonUp: number;
};
export declare class Aroon extends TechnicalIndicator<AroonResult, HighLow<number>> {
    #private;
    readonly interval: number;
    constructor(interval: number);
    getRequiredInputs(): number;
    update(candle: HighLow<number>, replace: boolean): {
        aroonDown: number;
        aroonUp: number;
    } | null;
}