import { RouteFileInterface } from './route-file.interface';
import { RoutePreviewBoundsInterface, RoutePreviewCoordinateInterface, RoutePreviewRouteFileSourceInterface, RoutePreviewJSONInterface, RoutePreviewOptions } from './route-preview.interface';
export declare const ROUTE_PREVIEW_VERSION: 1;
export declare const ROUTE_PREVIEW_ENCODING: "polyline5";
export declare const ROUTE_PREVIEW_POLYLINE_PRECISION: 5;
export declare const ROUTE_PREVIEW_DEFAULT_MAX_POINTS_PER_SEGMENT = 300;
export declare const ROUTE_PREVIEW_DEFAULT_MAX_POINTS_PER_ROUTE = 1200;
export interface CoordinatePairSimplificationOptions {
    keepRatio?: number;
    maxPoints?: number;
    minInputPoints?: number;
    minPointsToKeep?: number;
}
export interface CoordinatePairSimplificationResult {
    coordinates: number[][];
    inputPointCount: number;
    outputPointCount: number;
    simplified: boolean;
}
export declare class RoutePreviewUtilities {
    static buildRouteFilePreview(routeFile: RouteFileInterface | RoutePreviewRouteFileSourceInterface | null | undefined, options?: RoutePreviewOptions): RoutePreviewJSONInterface | null;
    static normalizeCoordinates(coordinates: readonly RoutePreviewCoordinateInterface[] | null | undefined): RoutePreviewCoordinateInterface[];
    static simplifyPolyline(coordinates: readonly RoutePreviewCoordinateInterface[] | null | undefined, options?: {
        maxPoints?: number;
        keepRatio?: number;
        minPointsToKeep?: number;
    }): RoutePreviewCoordinateInterface[];
    private static resolveRouteSources;
    private static routeClassToSource;
    private static routeJsonToSource;
    private static allocateSegmentTargetCounts;
    private static resolveSimplificationTarget;
    private static runVisvalingamWhyatt;
    private static normalizePointLimit;
    private static removeUndefined;
}
export declare function simplifyCoordinatePairsVisvalingamWhyatt(coordinates: readonly (readonly number[])[] | null | undefined, options?: CoordinatePairSimplificationOptions): CoordinatePairSimplificationResult;
export declare function encodeRoutePolyline5(points: readonly RoutePreviewCoordinateInterface[] | null | undefined): string;
export declare function decodeRoutePolyline5(encodedPolyline: string | null | undefined): RoutePreviewCoordinateInterface[];
export declare function buildRoutePreviewBounds(points: readonly RoutePreviewCoordinateInterface[] | null | undefined): RoutePreviewBoundsInterface | undefined;
export declare function mergeRoutePreviewBounds(boundsList: readonly (RoutePreviewBoundsInterface | undefined)[] | null | undefined): RoutePreviewBoundsInterface | undefined;