import { RegressorBase } from '../base/regressor';
import { Params } from '../base/estimator';
/** LinearRegression takes no parameters; the props object exists for contract uniformity. */
export type LinearRegressionProps = Record<string, never>;
export declare class LinearRegression extends RegressorBase {
    private coefState;
    private intercept;
    private fitted;
    constructor(props?: LinearRegressionProps);
    getParams(): Params;
    fit(X: number[][], Y: number[]): void;
    predict(X: number[][]): number[];
    get coef(): number[];
}