import { TrendIndicatorSeries } from '../../base/Indicator.js';
import type { HighLowCloseVolume } from '../../base/Candle.type.js';
export declare class VWAP extends TrendIndicatorSeries<HighLowCloseVolume<number>> {
    #private;
    readonly inputShape: "high-low-close-volume";
    constructor();
    getRequiredInputs(): number;
    update(candle: HighLowCloseVolume<number>, replace: boolean): number | null;
    protected calculateSignalState(result?: number | null): "BEARISH" | "BULLISH" | "SIDEWAYS" | "UNKNOWN";
}