import { BasePlugin } from './BasePlugin.js';
export interface ZoomConfig {
    enabled?: boolean;
    type?: 'x' | 'y' | 'xy';
    minZoom?: number;
    maxZoom?: number;
    resetOnDblClick?: boolean;
}
export declare class ZoomPlugin extends BasePlugin {
    private _scale;
    private _tx;
    private _ty;
    private _dragging;
    private _dragStart;
    private readonly _opts;
    constructor(chart: unknown, cfg?: ZoomConfig);
    init(): void;
    private _onWheel;
    private _onMouseDown;
    private _onMouseMove;
    private _apply;
    reset(): void;
}
//# sourceMappingURL=ZoomPlugin.d.ts.map