import { Geometry, Point } from "../../internal";
/**
 * Calculate the centroid from curve based geometries. Implementation based on
 * the JTS (Java Topology Suite) CentroidLine.
 */
export declare class CentroidCurve {
    /**
     * Sum of curve point locations
     */
    private _sum;
    /**
     * Total length of curves
     */
    private _totalLength;
    constructor();
    constructor(geometry: Geometry);
    /**
     * Add a curve based dimension 1 geometry to the centroid total. Ignores
     * dimension 0 geometries.
     * @param geometry geometry
     */
    add(geometry: Geometry): void;
    /**
     * Add line strings to the centroid total
     * @param lineStrings line strings
     */
    private addLineStrings;
    /**
     * Add a line string to the centroid total
     * @param lineString line string
     */
    private addLineString;
    /**
     * Add points to the centroid total
     *
     * @param points
     *            points
     */
    private addPoints;
    /**
     * Get the centroid point
     * @return centroid point
     */
    getCentroid(): Point;
}