export default LineString;
/**
 * @classdesc
 * Linestring geometry.
 *
 * @api
 */
declare class LineString extends SimpleGeometry {
    /**
     * @param {Array<import("../coordinate.js").Coordinate>|Array<number>} coordinates Coordinates.
     *     For internal use, flat coordinates in combination with `opt_layout` are also accepted.
     * @param {import("./GeometryLayout.js").default} [opt_layout] Layout.
     */
    constructor(coordinates: Array<import("../coordinate.js").Coordinate> | Array<number>, opt_layout?: any);
    /**
     * @private
     * @type {import("../coordinate.js").Coordinate}
     */
    private flatMidpoint_;
    /**
     * @private
     * @type {number}
     */
    private flatMidpointRevision_;
    /**
     * @private
     * @type {number}
     */
    private maxDelta_;
    /**
     * @private
     * @type {number}
     */
    private maxDeltaRevision_;
    /**
     * Append the passed coordinate to the coordinates of the linestring.
     * @param {import("../coordinate.js").Coordinate} coordinate Coordinate.
     * @api
     */
    appendCoordinate(coordinate: import("../coordinate.js").Coordinate): void;
    /**
     * Iterate over each segment, calling the provided callback.
     * If the callback returns a truthy value the function returns that
     * value immediately. Otherwise the function returns `false`.
     *
     * @param {function(this: S, import("../coordinate.js").Coordinate, import("../coordinate.js").Coordinate): T} callback Function
     *     called for each segment. The function will receive two arguments, the start and end coordinates of the segment.
     * @return {T|boolean} Value.
     * @template T,S
     * @api
     */
    forEachSegment<T, S>(callback: (this: S, arg1: import("../coordinate.js").Coordinate, arg2: import("../coordinate.js").Coordinate) => T): boolean | T;
    /**
     * Returns the coordinate at `m` using linear interpolation, or `null` if no
     * such coordinate exists.
     *
     * `opt_extrapolate` controls extrapolation beyond the range of Ms in the
     * MultiLineString. If `opt_extrapolate` is `true` then Ms less than the first
     * M will return the first coordinate and Ms greater than the last M will
     * return the last coordinate.
     *
     * @param {number} m M.
     * @param {boolean} [opt_extrapolate] Extrapolate. Default is `false`.
     * @return {import("../coordinate.js").Coordinate} Coordinate.
     * @api
     */
    getCoordinateAtM(m: number, opt_extrapolate?: boolean): import("../coordinate.js").Coordinate;
    /**
     * Return the coordinate at the provided fraction along the linestring.
     * The `fraction` is a number between 0 and 1, where 0 is the start of the
     * linestring and 1 is the end.
     * @param {number} fraction Fraction.
     * @param {import("../coordinate.js").Coordinate} [opt_dest] Optional coordinate whose values will
     *     be modified. If not provided, a new coordinate will be returned.
     * @return {import("../coordinate.js").Coordinate} Coordinate of the interpolated point.
     * @api
     */
    getCoordinateAt(fraction: number, opt_dest?: import("../coordinate.js").Coordinate): import("../coordinate.js").Coordinate;
    /**
     * Return the length of the linestring on projected plane.
     * @return {number} Length (on projected plane).
     * @api
     */
    getLength(): number;
    /**
     * @return {Array<number>} Flat midpoint.
     */
    getFlatMidpoint(): Array<number>;
}
import SimpleGeometry from "./SimpleGeometry.js";