import { IPoint, Point } from './';
export interface IPointResult {
    index: number;
    point: IPoint | null;
}
export declare class SplinePointSet implements Iterable<Point> {
    static get notFound(): IPointResult;
    get first(): Point;
    get length(): number;
    private _boundary;
    private _points;
    constructor(points?: IPoint[]);
    [Symbol.iterator](): {
        next: () => IteratorResult<Point, any>;
    };
    push(...points: IPoint[]): number;
    update(index: number, { x, y }: IPoint): IPointResult;
    find: (point: IPoint) => IPointResult;
    forEach: (predicateFn: (value: Point, index: number) => void) => void;
    remove(index: number): Point | undefined;
    indexOfClosest(coordinate: IPoint, maxRange: number, transform: (p: IPoint) => IPoint): number;
    closest: (coordinate: IPoint, maxRange: number, transform: (p: IPoint) => IPoint) => IPointResult;
    private _sort;
    private _allowedWithinBound;
    private _pointResult;
}