import { Viewport, Pick, EditHandleFeature, EditHandleType, StartDraggingEvent } from "./types.js";
import { SimpleGeometry, Position, Point, LineString, Polygon, Feature, SimpleGeometryCoordinates } from "../utils/geojson-types.js";
export type NearestPointType = Feature<Point, {
    dist: number;
    index: number;
}>;
export declare function toDeckColor(color?: [number, number, number, number] | number, defaultColor?: [number, number, number, number]): [number, number, number, number];
export declare function recursivelyTraverseNestedArrays(array: Array<any>, prefix: Array<number>, fn: (array: Array<any>, prefix: number[]) => void): boolean;
export declare function generatePointsParallelToLinePoints(p1: Position, p2: Position, coords: Position): Position[];
export declare function distance2d(x1: number, y1: number, x2: number, y2: number): number;
export declare function mix(a: number, b: number, ratio: number): number;
export declare function nearestPointOnProjectedLine(line: Feature<LineString>, inPoint: Feature<Point>, viewport: Viewport): NearestPointType;
export declare function nearestPointOnLine(// <G extends LineString | MultiLineString>(
lines: Feature<LineString>, inPoint: Feature<Point>, viewport?: Viewport): NearestPointType;
export declare function getPickedEditHandle(picks: Pick[] | null | undefined): EditHandleFeature | null | undefined;
export declare function getPickedSnapSourceEditHandle(picks: Pick[] | null | undefined): EditHandleFeature | null | undefined;
export declare function getNonGuidePicks(picks: Pick[]): Pick[];
export declare function getPickedExistingEditHandle(picks: Pick[] | null | undefined): EditHandleFeature | null | undefined;
export declare function getPickedIntermediateEditHandle(picks: Pick[] | null | undefined): EditHandleFeature | null | undefined;
export declare function getPickedEditHandles(picks: Pick[] | null | undefined): EditHandleFeature[];
export declare function getEditHandlesForGeometry(geometry: SimpleGeometry, featureIndex: number, editHandleType?: EditHandleType): EditHandleFeature[];
/**
 * Calculates coordinates for a feature preserving rectangular shape.
 * @param feature Feature before modification.
 * @param editHandleIndex Index of the point to modify.
 * @param coords New position for the point.
 * @returns Updated coordinates.
 */
export declare function updateRectanglePosition(feature: Feature<Polygon>, editHandleIndex: number, coords: Position): Position[][] | null;
/** Creates a copy of feature's coordinates.
 * Each position in coordinates is transformed by calling the provided function.
 * @param coords Coordinates of a feature.
 * @param callback A function to transform each coordinate.
 * @retuns Transformed coordinates.
 */
export declare function mapCoords(coords: SimpleGeometryCoordinates, callback: (coords: Position) => Position): SimpleGeometryCoordinates;
export declare function shouldCancelPan(event: StartDraggingEvent): Pick;
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