/**
 * Whether `value` is a known profile-side authoring reference.
 *
 * `true` for:
 * - known `profile/choice` keys (`cheap/default`)
 * - bare known profile keys (`cheap`, `openai`) — authoring / migration only
 * - legacy `profile@choice` when the `/` form is a known choice
 *
 * `false` for concrete vendor / OpenRouter / gateway model ids.
 *
 * Prefer {@link isKnownProfileInput} when only strict `profile/choice` should pass.
 */
export declare function isModelProfileReference(value: string): boolean;
/**
 * Whether `value` is a concrete model id backed by the bundled catalog.
 *
 * Catalog-only — no vendor-prefix / bare-SKU keyword heuristics.
 * Accepts vendor slugs (`google/gemma-3-4b-it`), gateway wires
 * (`openrouter/google/gemma-3-4b-it`), and catalog-aliased bare ids when present.
 *
 * Returns `false` for profile references ({@link isModelProfileReference}) and
 * unknown strings.
 */
export declare function isConcreteModelId(value: string): boolean;
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