import { BoundingBox } from './geometry';
import { Viewport } from './viewport';

/** Acts as a proxy to control the viewport. */
export declare class ZoomBehavior {
    private viewport;
    private scaleMin;
    private scaleMax;
    private boundingBox;
    constructor(viewport: Viewport);
    setViewport(viewport: Viewport): void;
    setScaleExtent(limits: {
        min?: number;
        max?: number;
    }): this;
    scaleExtent(): {
        min: number;
        max: number;
    };
    setTranslationExtent(limits: {
        xMin?: number;
        yMin?: number;
        xMax?: number;
        yMax?: number;
    }): this;
    translationExtent(): BoundingBox;
    private limitScale;
    private limitTranslation;
    scaleBy(k: number): void;
    scaleTo(k: number): void;
    moveBy(dx: number, dy: number): void;
    moveTo(x: number, y: number): void;
}