interface NavigationOptions {
    slideCount: number;
    onSlideChange?: (index: number, direction: "forward" | "backward") => void;
}
/**
 * Core navigation state machine for the deck.
 * Manages slide index, step index, and step registration.
 * Uses React.startTransition so that <ViewTransition> components
 * automatically animate during slide and step changes.
 */
export declare function useNavigation({ slideCount, onSlideChange, }: NavigationOptions): {
    slideIndex: number;
    stepIndex: number;
    stepCount: number;
    direction: "forward" | "backward";
    stepForward: () => void;
    stepBackward: () => void;
    skipTo: (target: {
        slideIndex: number;
        stepIndex?: number;
    }) => void;
    registerStepper: (id: string, count: number) => void;
    unregisterStepper: (id: string) => void;
};
export {};