import { EditorHost } from '../core';
export declare function useZoom(host: EditorHost): {
    contentWidth: import('vue').ComputedRef<number>;
    contentHeight: import('vue').ComputedRef<number>;
    contentX: import('vue').ComputedRef<number>;
    contentY: import('vue').ComputedRef<number>;
    handleZoomIn: (step?: number) => void;
    handleZoomOut: (step?: number) => void;
    handleZoomAuto: () => void;
    zoom: import('vue').ComputedRef<number>;
    handleWheel: (e: {
        evt: WheelEvent & {
            deltaY: number;
            ctrlKey: boolean;
            shiftKey: boolean;
        };
        target: {
            getStage: () => {
                getPointerPosition: () => {
                    x: number;
                    y: number;
                };
            };
        };
    }) => void;
    dynamicStep: import('vue').ComputedRef<number>;
    offsetX: import('vue').Ref<number, number>;
    offsetY: import('vue').Ref<number, number>;
    handlePanByPixels: (deltaX: number, deltaY: number) => void;
    resetPanOffset: () => void;
};