import { Params } from '../base/estimator';
import { ScoringFunction, SplitterLike } from '../utils/modelSelection';
import { RFE, RFEProps } from './rfe';
export interface RFECVProps extends Omit<RFEProps, 'nFeaturesToSelect'> {
    minFeaturesToSelect?: number;
    cv?: number | SplitterLike;
    scoring?: ScoringFunction | string;
}
export declare class RFECV extends RFE {
    private minFeaturesToSelect;
    private cv;
    private scoring?;
    private cvScores;
    private featureCounts;
    constructor(props: RFECVProps);
    getParams(): Params;
    fit(X: number[][], y?: number[]): void;
    get gridScores(): number[];
    get cvResults(): {
        nFeatures: number[];
        meanTestScore: number[];
    };
}