interface CollapseConfig {
    /** Controlled state — if provided, component is controlled */
    collapsed?: boolean;
    /** Callback notifying new collapsed value. Naming follows onChange pattern (CQS) */
    onCollapsedChange?: (collapsed: boolean) => void;
    /** Initial state for uncontrolled mode. Default: true (collapsed) */
    defaultCollapsed?: boolean;
}
interface CollapseState {
    isCollapsed: boolean;
    toggle: () => void;
}
declare function useCollapse(config: CollapseConfig): CollapseState;
export { useCollapse };
export type { CollapseConfig, CollapseState };