import { TechnicalIndicator } from '../../base/Indicator.js';
export type LinearRegressionResult = {
    prediction: number;
    slope: number;
    intercept: number;
};
export declare class LinearRegression extends TechnicalIndicator<LinearRegressionResult, number> {
    #private;
    readonly prices: number[];
    readonly interval: number;
    constructor(interval: number);
    getRequiredInputs(): number;
    update(price: number, replace: boolean): LinearRegressionResult | null;
    get isStable(): boolean;
}