type ExtractArgs<T extends object> = T[keyof T] extends (...args: infer A) => any ? A : any[];
type EventState<T extends object, Args extends unknown[] = ExtractArgs<T>> = T & {
    (key?: keyof T, fun?: T[keyof T]): EventState<T, Args>;
    (target?: Partial<T>): EventState<T, Args>;
};

type Vec3 = [x: number, y: number, z: number];

interface OrientState {
    snapshot: [OrientState];
    active: boolean;
    _active: boolean;
    _value: Vec3;
    value: Vec3;
    delta: Vec3;
    offset: Vec3;
    movement: Vec3;
    memo: any;
    callback(): void;
    change(): void;
    mount(): void;
    clean(): void;
}
type OrientArg = Partial<OrientState> | OrientState['change'];

declare const orientEvent: () => EventState<OrientState>;

export { type OrientArg, type OrientState, orientEvent };