/**
 * @grove-dev/ui — shared UI constants (V1).
 *
 * Order matters — render the SORT_OPTIONS list and the LENSES list
 * in the order defined here.
 *
 * `LENSES` is the framework-agnostic analog of `lenses.ts` from the
 * showcase (openapps). It carries the *abstract* lens definitions
 * (id + label + URL params) — no per-framework rendering concerns
 * leak in here.
 */
/**
 * The sort orders exposed by the directory's `<select>`.
 * Aligned with the V1 openapps `SORT_OPTIONS` and the astro
 * `@grove-dev/astro` `IndexSort` union (formerly `ItemsSort` before
 * the V0→V1 rename). The values are stable on the
 * wire (URL + persisted prefs) — adding a value is non-breaking,
 * removing a value is breaking.
 */
export declare const SORT_OPTIONS: readonly [{
    readonly value: "recently-updated";
    readonly label: "Recently updated";
}, {
    readonly value: "most-starred";
    readonly label: "Most starred";
}, {
    readonly value: "recently-added";
    readonly label: "Recently added";
}, {
    readonly value: "best-overall";
    readonly label: "Best overall";
}, {
    readonly value: "alphabetical";
    readonly label: "Alphabetical";
}];
export type SortValue = (typeof SORT_OPTIONS)[number]["value"];
/**
 * Lens ids exposed by the V1 directory. Mirrors openapps/astro
 * `lenses.ts` exactly so the framework adapters can re-export
 * `LENSES` from `@grove-dev/ui` without divergence.
 */
export type LensId = "all" | "new" | "hot" | "mature" | "good-to-learn" | "production-like" | "beginner-friendly" | "contribution-ready" | "launches" | "actively-developed" | "needs-maintainer";
export interface LensDef {
    id: LensId;
    label: string;
    /** Short blurb shown when the lens is active. */
    description?: string;
    /** What URL state this lens implies. Empty means no filter. */
    toParams: () => Record<string, string | string[]>;
}
export declare const LENSES: LensDef[];
/**
 * The 6 lenses shown as top-row tabs on the directory index.
 * Order matters — left to right. Keep in sync with what the
 * design calls for: All, signal lenses, and the two
 * curator-assigned lenses that have any matches.
 */
export declare const PRIMARY_LENSES: LensId[];
/** Look up a lens by id. Returns undefined for unknown ids. */
export declare function lensById(id: string | null | undefined): LensDef | undefined;
/** True if `id` is one of the 6 top-row tab lenses. */
export declare function isPrimaryLens(id: string | null | undefined): id is LensId;
/** How many items per page. Constant for now; future versions may vary. */
export declare const PAGE_SIZE = 12;
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