/**
 * Distribution Based Clustering of LArge Spatial Databases
 */
export default class DBCLASD {
    _d: (a: any, b: any) => number;
    /**
     * Returns predicted categories.
     * @param {Array<Array<number>>} datas Training data
     * @returns {number[]} Predicted values
     */
    predict(datas: Array<Array<number>>): number[];
    _chiSquareTest(datas: any, area: any, nndist: any): boolean;
    _area(datas: any, c: any, nndist: any): number;
}