import { type PlayerStrings } from '../core/strings.js';
/** True when the platform exposes device orientation events at all. */
export declare function hasDeviceOrientation(): boolean;
/** True on iOS 13+ where orientation events need an explicit user-gesture grant. */
export declare function isMotionPermissionRequired(): boolean;
/** Touch-first device (magic-window audience) — coarse pointer or touch points. */
export declare function isTouchDevice(): boolean;
/**
 * Gyro can be wired immediately (no permission ceremony): a touch device with
 * orientation events and no iOS-style gate.
 */
export declare function shouldAutoEnableMotion(): boolean;
/**
 * "Enable motion" affordance for iOS 13+ (WS-PP). iOS only delivers
 * `deviceorientation` after `DeviceOrientationEvent.requestPermission()` is
 * resolved from a user gesture, so magic-window look-around needs this button.
 * Follows the VrButton pattern: hidden unless the capability gate applies.
 */
export declare class MotionPermissionButton {
    private button;
    constructor(onGranted: () => void, strings?: PlayerStrings);
    getElement(): HTMLButtonElement;
    dispose(): void;
}
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