/**
 * vapor-chamber-router — menu + breadcrumb projections of the route table.
 *
 * The table already carries everything a navigation UI needs; these builders
 * only project it — nothing here is authored client-side:
 *   · `meta.menu` (an INTEGER — the server-owned menu position; row order in
 *     the table is match-specificity order, so the menu has its own column)
 *     marks a row as a menu entry. Menu rows need `meta.title` (an i18n key —
 *     translating is the view's job) and a static path: a required `:param`
 *     has no fixed href and is rejected. Group rows may be menued too — they
 *     become href-less section nodes.
 *   · Nesting follows the parent chain: an entry's menu parent is its nearest
 *     menued ancestor.
 *   · Permission filtering is the SERVER's job (visibleTo before delivery) —
 *     what the table holds is what the user may see, so the projection is
 *     permission-correct by construction.
 *   · active/exact use pathActivity — the SAME semantics as `data-active`
 *     stamping, so Blade menus and Vue menus always agree.
 *
 * Like table validation, the menu contract is enforced loudly in dev (and, by
 * convention, by the route generator at export); production trusts the
 * generator.
 */
import type { RouteLocation, TableRecord } from './types';
export type MenuItem = {
    name: string;
    /** `meta.title` — an i18n KEY; translate in the view. */
    title: string;
    /** Absolute href (base included) — null for group rows (section nodes). */
    href: string | null;
    meta: Record<string, unknown>;
    /** Same semantics as data-active stamping; a parent also lights up when
     *  any of its children is active. */
    active: boolean;
    exactActive: boolean;
    children: readonly MenuItem[];
};
export type Breadcrumb = {
    name: string;
    /** `meta.title` — an i18n KEY; translate in the view. */
    title: string;
    /** Absolute href; null when the crumb is not a link target (group rows,
     *  ancestors whose params the current location cannot supply). */
    href: string | null;
    /** True on the last crumb — the page being shown. */
    current: boolean;
    meta: Record<string, unknown>;
};
/** Rows flagged `meta.menu`, position-sorted, nested by nearest menued
 *  ancestor, active-stamped against `currentPath`. */
export declare function buildMenu(records: readonly TableRecord[], currentPath: string, base?: string): MenuItem[];
/** The current route's parent chain, filtered to rows with a `meta.title`,
 *  root-first — the page itself is the last crumb. */
export declare function buildBreadcrumbs(location: RouteLocation, base?: string): Breadcrumb[];
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