/**
 * GestureRecognizer.ts
 *
 * Touch/pointer gesture recognition: tap, double-tap, swipe,
 * pinch, long press, and extensible custom gesture patterns.
 *
 * @module input
 */
export type GestureType = 'tap' | 'doubleTap' | 'longPress' | 'swipe' | 'pinch' | 'pan' | 'custom';
export type SwipeDirection = 'up' | 'down' | 'left' | 'right';
export interface TouchPoint {
    id: number;
    x: number;
    y: number;
    timestamp: number;
}
export interface GestureEvent {
    type: GestureType;
    position: {
        x: number;
        y: number;
    };
    timestamp: number;
    direction?: SwipeDirection;
    velocity?: number;
    distance?: number;
    scale?: number;
    deltaX?: number;
    deltaY?: number;
    name?: string;
}
export interface GestureConfig {
    tapMaxDuration: number;
    tapMaxDistance: number;
    doubleTapWindow: number;
    longPressMinDuration: number;
    swipeMinDistance: number;
    swipeMinVelocity: number;
    pinchMinScale: number;
}
export type GestureCallback = (event: GestureEvent) => void;
export declare class GestureRecognizer {
    private config;
    private activeTouches;
    private touchStarts;
    private subscribers;
    private lastTapTime;
    private lastTapPosition;
    private longPressTimer;
    private gestureHistory;
    private initialPinchDistance;
    constructor(config?: Partial<GestureConfig>);
    on(types: GestureType | GestureType[], callback: GestureCallback): string;
    off(subscriptionId: string): void;
    touchStart(id: number, x: number, y: number): void;
    touchMove(id: number, x: number, y: number): void;
    touchEnd(id: number, x: number, y: number): void;
    private emit;
    private cancelLongPress;
    private getSwipeDirection;
    private distance;
    getActiveTouchCount(): number;
    getGestureHistory(): GestureEvent[];
    getRecentGestures(count: number): GestureEvent[];
    clearHistory(): void;
    getConfig(): GestureConfig;
    setConfig(config: Partial<GestureConfig>): void;
}
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