import type { HighLowCloseVolume } from '../../base/Candle.type.js';
import { TrendIndicatorSeries, type TradingSignals } from '../../base/Indicator.js';
type PVTState = {
    candles: HighLowCloseVolume[];
};
export declare class PVT extends TrendIndicatorSeries<HighLowCloseVolume, TradingSignals, PVTState> {
    protected state: PVTState;
    getRequiredInputs(): number;
    update(candle: HighLowCloseVolume, replace: boolean): number | null;
    protected calculateSignalState(result: number | null | undefined): "BEARISH" | "BULLISH" | "SIDEWAYS" | "UNKNOWN";
}
export {};
