/**
 * @license
 * Copyright 2024 Nuraly, Laabidi Aymen
 * SPDX-License-Identifier: MIT
 */
import { ReactiveControllerHost } from 'lit';
import { BaseCanvasController } from './base.controller.js';
import { CanvasHost } from '../interfaces/index.js';
import { ViewportController } from './viewport.controller.js';
import { DragController } from './drag.controller.js';
import { SelectionController } from './selection.controller.js';
/**
 * Controller for handling touch interactions on the canvas.
 * Detects gestures (pan, pinch-zoom, drag, tap, double-tap) and
 * delegates to existing controllers using synthetic MouseEvent objects.
 */
export declare class TouchController extends BaseCanvasController {
    private readonly viewportController;
    private readonly dragController;
    private readonly selectionController;
    private readonly activeTouches;
    private gestureType;
    private initialPinchDistance;
    private initialPinchZoom;
    private lastTapTime;
    private lastTapPosition;
    private touchStartPos;
    private touchTargetNode;
    constructor(host: CanvasHost & ReactiveControllerHost, viewportController: ViewportController, dragController: DragController, selectionController: SelectionController);
    hostConnected(): void;
    hostDisconnected(): void;
    private readonly handleTouchStart;
    private readonly handleTouchMove;
    private readonly handleTouchEnd;
    private startPinchGesture;
    private promoteGesture;
    private handleTap;
    private handlePinchEnd;
    private updateActiveTouches;
    private updateCursorPosition;
    private handlePinchMove;
    /**
     * Check if a touch event targets a UI overlay element (toolbar, sidebar, etc.)
     * that should receive normal browser touch/click handling.
     */
    private isTouchOnUIOverlay;
    private createSyntheticMouseEvent;
    private getDistance;
    private getMidpoint;
    private findNodeFromTouch;
    private findNodeElementFromTouch;
    private isDoubleTap;
    private resetGesture;
}
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