/** Matches an item excluded from the roving order — the contract names `data-disabled`, and native controls also carry `disabled`. */
export declare const DISABLED_ITEM_SELECTOR = "[disabled], [data-disabled]";
/** Whether an item is out of the roving order, testing both attribute spellings. */
export declare function isRovingItemDisabled(item: Element): boolean;
/**
 * The group's items in document order, minus the disabled ones and minus any that belong to a nested group.
 *
 * @param root the group element owning the items, or `null` before it mounts
 * @param itemSelector selector matching one item
 * @param scopeSelector selector naming an item's owning group, so a nested group's items are left to it
 * @returns the enabled items, empty when `root` is not mounted yet
 */
export declare function enabledRovingItems(root: ParentNode | null | undefined, itemSelector: string, scopeSelector?: string): HTMLElement[];
/**
 * The id that should hold the tab stop after the items or the selection changed.
 *
 * Active items win, and the stop stays put while it is still on one of them; with
 * nothing active it stays on whichever item still claims it, else falls to the first.
 * An active id that is not in `ids` — disabled, or unmounted since it was selected —
 * cannot hold the stop, so the group stays reachable by Tab.
 *
 * @param ids every enabled item's id, in document order
 * @param activeIds the ids of the selected/pressed/active items, in document order
 * @param currentId the id holding the stop now, or `null` before one is resolved
 * @returns the id to give the stop to, or `null` when the group has no enabled item
 */
export declare function resolveTabStopId(ids: readonly string[], activeIds: readonly string[], currentId: string | null): string | null;
/** Every enabled item's id, skipping items that carry no id — they cannot hold a stop that survives a re-render. */
export declare function rovingItemIds(items: readonly Element[], idAttribute: string): string[];
/**
 * The `tabindex` for one item: before the group resolves its stop — which only happens in a layout effect, so never during SSR — every enabled item is a stop rather than none.
 *
 * @param resolved whether the group has settled which item holds the stop
 * @param isTabStop whether this item is that one
 * @param disabled whether this item is disabled, in which case it never claims a stop
 */
export declare function rovingTabIndex(resolved: boolean, isTabStop: boolean, disabled?: boolean): 0 | -1;