import { ClusterBase } from '../base/cluster';
import { Params } from '../base/estimator';
import { Distance } from '../metrics';
export interface DBScanProps {
    /** neighborhood radius */
    eps?: number;
    /** minimum neighborhood size (including the point itself) for a core point */
    minSamples?: number;
    /** distance metric name */
    distanceType?: Distance.IDistanceType;
}
export declare class DBScan extends ClusterBase {
    private eps;
    private minSamples;
    private distanceType;
    constructor(props?: DBScanProps);
    /** @deprecated positional form; prefer the props-object constructor */
    constructor(eps?: number, minSamples?: number, distanceType?: Distance.IDistanceType);
    getParams(): Params;
    /** resolved lazily from the metric name so instances stay JSON-serializable */
    private get distance();
    fitPredict(samplesX: number[][]): number[];
    private expandCluster;
    private regionQuery;
}