/**
 * W3C Device Orientation control (http://w3c.github.io/deviceorientation/spec-source-orientation.html)
 */
import { EventDispatcher, Quaternion } from 'three';
import { ScreenOrientation } from './DeviceOrientationControlsUtils';
export declare const DEFAULT_SMOOTH_AMOUNT = 0.01;
export declare const COMPASS_READJUST_TIMESTEP_START = 1000;
export declare const COMPASS_READJUST_TIMESTEP_MAX = 5000;
export declare const COMPASS_READJUST_TIMESTEP_INCREMENT = 1000;
interface WindowEventMapExtended extends WindowEventMap {
    deviceorientationabsolute: DeviceOrientationEvent;
}
declare global {
    interface Window {
        addEventListener<K extends keyof WindowEventMapExtended>(type: K, listener: (this: Window, ev: WindowEventMapExtended[K]) => any, options?: boolean | AddEventListenerOptions): void;
        removeEventListener<K extends keyof WindowEventMapExtended>(type: K, listener: (this: Window, ev: WindowEventMapExtended[K]) => any, options?: boolean | EventListenerOptions): void;
    }
}
declare class DeviceOrientationControls extends EventDispatcher<{
    change: any;
}> {
    protected _relativeQuaternion: Quaternion;
    protected _blendedQuaternion: Quaternion;
    enabled: boolean;
    protected _relativeEvent: Partial<DeviceOrientationEvent>;
    protected _screenOrientation: ScreenOrientation;
    alphaOffset: number;
    protected _smoothAmount: number;
    protected _yAngleOffset: number | undefined;
    protected _currentYAngleOffset: number;
    protected _targetYAngleOffset: number;
    protected _absoluteYAngle: number | undefined;
    _compassReadjustTimestep: number;
    private _absoluteYAngleProcessedAt;
    constructor();
    private onDeviceOrientationChangeEvent;
    private onDeviceOrientationAbsoluteChangeEvent;
    private _setAbsoluteAngleY;
    private onScreenOrientationChangeEvent;
    private _bound;
    connect(): void;
    disconnect(): void;
    private lastQuaternion;
    update(): void;
    quaternion(target: Quaternion): void;
    setSmoothAmount(smoothAmount: number): void;
    dispose: () => void;
}
export { DeviceOrientationControls };