export interface PointerModifiers {
    alt: boolean;
    ctrl: boolean;
    shift: boolean;
    meta: boolean;
}
export type ChartPointerEvent = {
    type: 'move' | 'leave' | 'click' | 'dblclick';
    x: number;
    y: number;
} | {
    type: 'contextmenu';
    x: number;
    y: number;
    preventDefault: () => void;
} | {
    type: 'wheel';
    x: number;
    y: number;
    deltaY: number;
    preventDefault: () => void;
} | {
    type: 'pinch';
    x: number;
    y: number;
    scale: number;
} | {
    type: 'drag-start' | 'drag-move' | 'drag-end';
    x: number;
    y: number;
    dx: number;
    dy: number;
    modifiers: PointerModifiers;
};
/**
 * Normalizes DOM pointer events into chart events.
 * Coordinates are in the chart's system (px from the canvas top-left corner).
 * Regions with subscriber priorities — in later phases if needed.
 */
export declare class InteractionManager {
    private readonly element;
    private readonly handler;
    private readonly disposers;
    private down;
    private last;
    private dragging;
    private readonly pointers;
    private pinchDistance;
    constructor(element: HTMLElement, handler: (event: ChartPointerEvent) => void);
    private onMove;
    private pointerDistance;
    private onUp;
    private emitAt;
    private coords;
    private listen;
    destroy(): void;
}