import { type TabDefinition, type TabSetDefinition } from '@byline/core';
/** One tab set, resolved against live form data and current errors. */
export interface ResolvedTabSet {
    /** Tabs whose `condition` is satisfied, in declaration order. */
    visibleTabs: TabDefinition[];
    /** The tab that should render, after falling back off a hidden selection. */
    activeTabName: string;
    activeTab: TabDefinition | undefined;
    /** Error count per tab name, for the tab bar's badges. */
    errorCounts: Record<string, number> | undefined;
}
export interface UseFormTabsResult {
    resolve: (set: TabSetDefinition) => ResolvedTabSet;
    errorCountsBySet: Record<string, Record<string, number>>;
}
/**
 * Tab visibility, per-tab error counts, and fallback when the selected tab is
 * hidden.
 *
 * It deliberately does **not** own the selection. `FormRenderer` lifts that
 * above the keyed `FormProvider` so the editor's tab choices survive the
 * remount a locale change triggers; a hook living inside that subtree would
 * lose them on every switch. The selection arrives as `activeTabBySet` and
 * changes are reported upward.
 */
export declare function useFormTabs(fieldToTabPath: Map<string, {
    tabSetName: string;
    tabName: string;
}>, activeTabBySet: Record<string, string>, tabSets: TabSetDefinition[]): UseFormTabsResult;