import { type InputShapeOf, ThresholdCrossSeries } from '../../base/Indicator.js';
import type { SignalThresholds } from '../../base/SignalThresholds.type.js';
export declare class ZScore extends ThresholdCrossSeries {
    #private;
    readonly inputShape: InputShapeOf<number>;
    constructor(period: number, { inputShape, overbought, oversold, }?: SignalThresholds & {
        inputShape?: InputShapeOf<number>;
    });
    getRequiredInputs(): number;
    update(value: number, replace: boolean): number | null;
    static getResultFromBatch(values: number[]): number | null;
}