import { OutlierBase } from '../base';
import { Params } from '../base/estimator';
import { MinCovDetProps } from './minCovDet';
export interface EllipticEnvelopeProps extends MinCovDetProps {
    contamination?: number;
}
export declare class EllipticEnvelope extends OutlierBase {
    private contamination;
    private covarianceProps;
    private robustCovariance?;
    private offsetState;
    constructor(props?: EllipticEnvelopeProps);
    getParams(): Params;
    fit(X: number[][]): void;
    scoreSamples(X: number[][]): number[];
    decisionFunction(X: number[][]): number[];
    predict(X: number[][]): number[];
    get offset(): number;
    get location(): number[];
    get covariance(): number[][];
}