export declare enum Orientation {
    /**
     * An unknown screen orientation. For example, the device is flat, perhaps on a table.
     */
    UNKNOWN = 0,
    /**
     * Right-side up portrait interface orientation.
     */
    PORTRAIT_UP = 1,
    /**
     * Upside down portrait interface orientation.
     */
    PORTRAIT_DOWN = 2,
    /**
     * Left landscape interface orientation.
     */
    LANDSCAPE_LEFT = 3,
    /**
     * Right landscape interface orientation.
     */
    LANDSCAPE_RIGHT = 4
}
/**
 * An enum whose values can be passed to the [`lockAsync`](#screenorientationlockasyncorientationlock)
 * method.
 * > __Note:__ `OrientationLock.ALL` and `OrientationLock.PORTRAIT` are invalid on devices which
 * don't support `OrientationLock.PORTRAIT_DOWN`.
 */
export declare enum OrientationLock {
    /**
     * The default orientation. On iOS, this will allow all orientations except `Orientation.PORTRAIT_DOWN`.
     * On Android, this lets the system decide the best orientation.
     */
    DEFAULT = 0,
    /**
     * All four possible orientations
     */
    ALL = 1,
    /**
     * Any portrait orientation.
     */
    PORTRAIT = 2,
    /**
     * Right-side up portrait only.
     */
    PORTRAIT_UP = 3,
    /**
     * Upside down portrait only.
     */
    PORTRAIT_DOWN = 4,
    /**
     * Any landscape orientation.
     */
    LANDSCAPE = 5,
    /**
     * Left landscape only.
     */
    LANDSCAPE_LEFT = 6,
    /**
     * Right landscape only.
     */
    LANDSCAPE_RIGHT = 7,
    /**
     * A platform specific orientation. This is not a valid policy that can be applied in [`lockAsync`](#screenorientationlockasyncorientationlock).
     */
    OTHER = 8,
    /**
     * An unknown screen orientation lock. This is not a valid policy that can be applied in [`lockAsync`](#screenorientationlockasyncorientationlock).
     */
    UNKNOWN = 9
}
/**
 * Each iOS device has a default set of [size classes](https://developer.apple.com/library/archive/featuredarticles/ViewControllerPGforiPhoneOS/TheAdaptiveModel.html)
 * that you can use as a guide when designing your interface.
 */
export declare enum SizeClassIOS {
    REGULAR = 0,
    COMPACT = 1,
    UNKNOWN = 2
}
/**
 * An enum representing the lock policies that can be applied on the web platform, modelled after
 * the [W3C specification](https://w3c.github.io/screen-orientation/#dom-orientationlocktype).
 * These values can be applied through the [`lockPlatformAsync`](#screenorientationlockplatformasyncplatforminfo)
 * method.
 */
export declare enum WebOrientationLock {
    PORTRAIT_PRIMARY = "portrait-primary",
    PORTRAIT_SECONDARY = "portrait-secondary",
    PORTRAIT = "portrait",
    LANDSCAPE_PRIMARY = "landscape-primary",
    LANDSCAPE_SECONDARY = "landscape-secondary",
    LANDSCAPE = "landscape",
    ANY = "any",
    NATURAL = "natural",
    UNKNOWN = "unknown"
}
export declare enum WebOrientation {
    PORTRAIT_PRIMARY = "portrait-primary",
    PORTRAIT_SECONDARY = "portrait-secondary",
    LANDSCAPE_PRIMARY = "landscape-primary",
    LANDSCAPE_SECONDARY = "landscape-secondary"
}
export declare type PlatformOrientationInfo = {
    /**
     * A constant to set using the Android native [API](https://developer.android.com/reference/android/R.attr.html#screenOrientation).
     * For example, in order to set the lock policy to [unspecified](https://developer.android.com/reference/android/content/pm/ActivityInfo.html#SCREEN_ORIENTATION_UNSPECIFIED),
     * `-1` should be passed in.
     * @platform android
     */
    screenOrientationConstantAndroid?: number;
    /**
     * An array of orientations to allow on the iOS platform.
     * @platform ios
     */
    screenOrientationArrayIOS?: Orientation[];
    /**
     * A web orientation lock to apply in the browser.
     * @platform web
     */
    screenOrientationLockWeb?: WebOrientationLock;
};
export declare type ScreenOrientationInfo = {
    /**
     * The current orientation of the device.
     */
    orientation: Orientation;
    /**
     * The [vertical size class](https://developer.apple.com/library/archive/featuredarticles/ViewControllerPGforiPhoneOS/TheAdaptiveModel.html)
     * of the device.
     * @platform ios
     */
    verticalSizeClass?: SizeClassIOS;
    /**
     * The [horizontal size class](https://developer.apple.com/library/archive/featuredarticles/ViewControllerPGforiPhoneOS/TheAdaptiveModel.html)
     * of the device.
     * @platform ios
     */
    horizontalSizeClass?: SizeClassIOS;
};
export declare type OrientationChangeListener = (event: OrientationChangeEvent) => void;
export declare type OrientationChangeEvent = {
    /**
     * The current `OrientationLock` of the device.
     */
    orientationLock: OrientationLock;
    /**
     * The current `ScreenOrientationInfo` of the device.
     */
    orientationInfo: ScreenOrientationInfo;
};