import { ServiceContainer } from '../../../services/ServiceContainer.js';
import { IDesignerCanvas } from '../IDesignerCanvas.js';
import { ITool } from './ITool.js';
export declare class ZoomTool implements ITool {
    cursor: string;
    private _rect;
    private _startPoint;
    private _endPoint;
    private _pointerMovementTolerance;
    private _zoomStepSize;
    activated(serviceContainer: ServiceContainer): void;
    pointerEventHandler(designerCanvas: IDesignerCanvas, event: PointerEvent, currentElement: Element): void;
    private _zoomOnto;
    private _isPositionEqual;
    keyboardEventHandler(designerCanvas: IDesignerCanvas, event: KeyboardEvent, currentElement: Element): void;
    dispose(): void;
}