/**
 * Copyright 2017-present Palantir Technologies
 * @license MIT
 */
import { TransformableScale } from "../scales/scale";
/**
 * Return `value` if its distance to `center` was scaled by `zoom`.
 *
 * e.g. zoomOut(100, 2, 50) -> 150
 * e.g. zoomOut(0, 2, 50) -> -50
 * e.g. zoomOut(100, 0.5, 50) -> 75
 * e.g. zoomOut(0, 0.5, 50) -> 25
 */
export declare function zoomOut(value: number, zoom: number, center: number): number;
/**
 * Return possibly different zoomAmount and centerPoint values such that applying the zoom
 * to the scale respects the given min/max extents and values.
 */
export declare function constrainedZoom(scale: TransformableScale<any, number>, zoomAmount: number, centerPoint: number, minDomainExtent: number, maxDomainExtent: number, minDomainValue: number, maxDomainValue: number): {
    centerPoint: number;
    zoomAmount: number;
};
export declare function constrainZoomExtents(scale: TransformableScale<any, number>, zoomAmount: number, minDomainExtent: number, maxDomainExtent: number): number;
/**
 * Modify zoomAmount and centerPoint such that a panzoom will stay inside
 * the bounds defined by minDomainValue and maxDomainValue.
 */
export declare function constrainZoomValues(scale: TransformableScale<any, number>, zoomAmount: number, centerPoint: number, minDomainValue: number, maxDomainValue: number): {
    centerPoint: number;
    zoomAmount: number;
};
/**
 * Returns a new translation value that respects domain min/max value
 * constraints.
 */
export declare function constrainedTranslation(scale: TransformableScale<any, number>, translation: number, minDomainValue: number, maxDomainValue: number): number;