/**
 * Local Outlier Probability
 */
export default class LoOP {
    /**
     * @param {number} k Number of neighborhoods
     */
    constructor(k: number);
    _k: number;
    _lambda: number;
    _distance(a: any, b: any): number;
    _erf(z: any): number;
    /**
     * Returns anomaly degrees.
     * @param {Array<Array<number>>} datas Training data
     * @returns {number[]} Predicted values
     */
    predict(datas: Array<Array<number>>): number[];
}