/**
 * [WHO]: getModel, getProviders, getModels, calculateCost, supportsXhigh
 * [FROM]: Depends on ./models.generated.js
 * [TO]: Consumed by core/lib/ai/src/index.ts
 * [HERE]: core/lib/ai/src/models.ts -
 */
import { MODELS } from "./models.generated.js";
import type { Api, KnownProvider, Model, Usage } from "./types.js";
type ModelMap = typeof MODELS;
type ModelMapKey = keyof ModelMap;
type ModelApi<TProvider extends KnownProvider, TModelId extends keyof ModelMap[TProvider & ModelMapKey]> = ModelMap[TProvider & ModelMapKey][TModelId] extends {
    api: infer TApi;
} ? (TApi extends Api ? TApi : never) : never;
export declare function getModel<TProvider extends KnownProvider, TModelId extends keyof ModelMap[TProvider & ModelMapKey]>(provider: TProvider, modelId: TModelId): Model<ModelApi<TProvider, TModelId>>;
export declare function getProviders(): KnownProvider[];
export declare function getModels<TProvider extends KnownProvider>(provider: TProvider): Model<ModelApi<TProvider, keyof ModelMap[TProvider & ModelMapKey]>>[];
export declare function calculateCost<TApi extends Api>(model: Model<TApi>, usage: Usage): Usage["cost"];
/**
 * Check if a model supports xhigh thinking level.
 *
 * Supported today:
 * - GPT-5.2 / GPT-5.3 model families
 * - Anthropic Messages API Opus 4.6 models (xhigh maps to adaptive effort "max")
 */
export declare function supportsXhigh<TApi extends Api>(model: Model<TApi>): boolean;
/**
 * Check if two models are equal by comparing both their id and provider.
 * Returns false if either model is null or undefined.
 */
export declare function modelsAreEqual<TApi extends Api>(a: Model<TApi> | null | undefined, b: Model<TApi> | null | undefined): boolean;
export {};