import type { HighLowClose } from '../../base/Candle.type.js';
import { TechnicalIndicator, TradingSignal } from '../../base/Indicator.js';
export type SuperTrendResult = {
    supertrend: number;
    trend: typeof TradingSignal.BULLISH | typeof TradingSignal.BEARISH;
};
export type SuperTrendConfig = {
    interval?: number;
    multiplier?: number;
};
export declare class SuperTrend extends TechnicalIndicator<SuperTrendResult, HighLowClose<number>> {
    #private;
    readonly interval: number;
    readonly multiplier: number;
    constructor({ interval, multiplier }?: SuperTrendConfig);
    getRequiredInputs(): number;
    update(candle: HighLowClose<number>, replace: boolean): {
        supertrend: number;
        trend: "BEARISH" | "BULLISH";
    } | null;
}