import { Destroyable, Event as XEvent } from "@u-gis/core";
import Map from 'ol/Map';
export interface OlCameraChangedOptions {
    /** 用 view.propertychange 代替分别监听 center/resolution/rotation（默认 true） */
    usePropertyChange?: boolean;
    /** 监听容器尺寸变化（默认 true） */
    listenSizeChange?: boolean;
    /** 拖拽/动画期间使用 postrender 提升丝滑度（默认 false） */
    usePostRender?: boolean;
    /** 构造后是否立即触发一次（默认 true） */
    emitImmediately?: boolean;
}
export declare class OlCameraChanged extends Destroyable {
    private _map;
    private _view;
    private _keys;
    private _changed;
    private _opts;
    constructor(map: Map, opts?: OlCameraChangedOptions);
    get changed(): XEvent<[]>;
    private _on;
    private _attach;
    private _detach;
}
//# sourceMappingURL=cameraUtils.d.ts.map