import type { CatalogDirectSlice, ModelsCatalogJson } from "./types.js";
/**
 * Round USD-per-1M-token (or per-request) catalog prices to human-readable decimals,
 * stripping IEEE-754 noise from per-token × 1_000_000 conversion.
 */
export declare function roundCatalogPricingUsd(value: number): number;
/** Canonical remote catalog asset (same host pattern as models-profiles.json). */
export declare const MODELS_CATALOG_REMOTE_URL = "https://open-assets.x12i.com/models-catalog.json";
/** @deprecated Legacy filename on open-assets; prefer {@link MODELS_CATALOG_REMOTE_URL}. */
export declare const LEGACY_OPENROUTER_CATALOG_REMOTE_URL = "https://open-assets.x12i.com/openrouter-models-catalog.json";
export declare const MODELS_CATALOG_FILENAME = "models-catalog.json";
export declare const MODELS_CATALOG_SCHEMA: "x12i.ai-profiles.models-catalog";
export type CatalogIndexRecord = {
    openRouterModelId: string;
    canonicalSlug?: string;
    directProvider?: string;
    directModelId?: string;
};
/** Derive vendor-direct identity from an OpenRouter slug. */
export declare function parseDirectFromOpenRouterSlug(slug: string, family?: string): CatalogDirectSlice;
/** Normalize legacy OpenRouter-only catalog or pass through unified catalog. */
export declare function normalizeModelsCatalog(raw: unknown): ModelsCatalogJson;
export declare function buildModelsCatalogIndex(catalog: ModelsCatalogJson): Map<string, CatalogIndexRecord>;
/** @deprecated Use {@link buildModelsCatalogIndex} */
export declare const buildOpenRouterCatalogIndex: typeof buildModelsCatalogIndex;
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