/**
 * Copyright 2023-present DreamNum Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import type { IPoint } from '@univerjs/engine-render';
import { Disposable } from '@univerjs/core';
export interface IMobileCanvasGestureOptions {
    start: (point: IPoint) => 'pan' | 'object' | 'ignore';
    tap: (point: IPoint) => void;
    pan: (delta: IPoint) => void;
    pinch: (factor: number, previousCenter: IPoint, center: IPoint) => void;
    finishObjectTransform: () => void;
    endPinch: () => void;
}
/** Routes touch browsing separately from the canvas's existing object manipulation. */
export declare class MobileCanvasGesture extends Disposable {
    private readonly _canvas;
    private readonly _options;
    private readonly _points;
    private _objectPointerId;
    private _cancellingObject;
    private _startPoint;
    private _moved;
    private _pinching;
    private _suppressClick;
    private _lastMoveTime;
    private _velocity;
    private _frame;
    constructor(_canvas: HTMLCanvasElement, _options: IMobileCanvasGestureOptions);
    private _point;
    private _consume;
    private _onDown;
    private _onMove;
    private _onEnd;
    private _startInertia;
    private _stopInertia;
    private _reset;
    private _cancelObjectPointer;
}