import type { Event, Group, XRTargetRaySpace, XRGripSpace, XRHandSpace } from 'three';
import type { XRControllerModel } from 'three/examples/jsm/webxr/XRControllerModelFactory.js';
import type { XRHandModel } from 'three/examples/jsm/webxr/XRHandModelFactory.js';
export type XRSessionEventType = 'sessionstart' | 'sessionend' | 'visibilitychange' | 'frameratechange';
export type XRControllerEventType = 'select' | 'selectstart' | 'selectend' | 'squeeze' | 'squeezeend' | 'squeezestart' | 'disconnected' | 'connected';
export type XRControllerEvents = {
    onconnected?: XRControllerEventCallback<'connected'>;
    ondisconnected?: XRControllerEventCallback<'disconnected'>;
    onselect?: XRControllerEventCallback<'select'>;
    onselectstart?: XRControllerEventCallback<'selectstart'>;
    onselectend?: XRControllerEventCallback<'selectend'>;
    onsqueeze?: XRControllerEventCallback<'squeeze'>;
    onsqueezeend?: XRControllerEventCallback<'squeezeend'>;
    onsqueezestart?: XRControllerEventCallback<'squeezestart'>;
};
export type XRHandEventType = 'pinchstart' | 'pinchend' | 'connected' | 'disconnected';
export type XRSessionEvent<Type = XRSessionEventType> = (event: Event & {
    type: Type;
    target: XRSession;
}) => void;
export type XRControllerEvent<Type = XRControllerEventType> = Event & {
    type: Type;
    target: Group;
    data: XRInputSource;
};
export type XRControllerEventCallback<Type = XRControllerEventType> = (event: XRControllerEvent<Type>) => void;
export type XRController = {
    targetRay: XRTargetRaySpace;
    grip: XRGripSpace;
    model?: XRControllerModel | undefined;
    inputSource: XRInputSource;
};
export type XRHand = {
    targetRay: XRTargetRaySpace;
    hand: XRHandSpace;
    model?: XRHandModel;
    inputSource: globalThis.XRHand;
};
export type XRHandEvent<Type = XRHandEventType> = Type extends 'connected' | 'disconnected' ? {
    type: Type;
    target: XRHandSpace;
    data: XRInputSource;
} : Type extends 'pinchstart' | 'pinchend' ? {
    type: Type;
    handedness: 'left' | 'right';
    target: null;
} : never;
export type XRHandEventCallback<Type> = (event: XRHandEvent<Type>) => void;
export type XRHandEvents = {
    onconnected?: XRHandEventCallback<'connected'>;
    ondisconnected?: XRHandEventCallback<'disconnected'>;
    onpinchstart?: XRHandEventCallback<'pinchstart'>;
    onpinchend?: XRHandEventCallback<'pinchend'>;
};