/// <reference types="react" />
export type UseAnimatedStackArgs = {
    slotCount: number;
    /** Anchor slot index — resolved from fan direction in `AnimatedStack`. */
    anchorIndex: number;
    size: number;
    stackStep: number;
    gap: number;
    /** Whether hover should expand the row into the fanned layout. */
    fanOutEnabled: boolean;
    /**
     * When `true` (`compact` prop on `ChipStack`), non-anchor chips are
     * invisible while idle and animate into view on hover.
     */
    compact: boolean;
};
export declare function useAnimatedStack({ slotCount, anchorIndex, size, stackStep, gap, fanOutEnabled, compact }: UseAnimatedStackArgs): {
    isHovering: boolean;
    handleMouseEnter: () => void;
    handleMouseLeave: () => void;
    slotRefs: import("react").MutableRefObject<(HTMLDivElement | null)[]>;
    translateX: number[];
    slotOpacity: number[];
    collapsedStackWidthPx: number;
    fannedRowWidthPx: number;
    trackWidth: number;
    hoverZIndexActive: boolean;
};