import { type RegistryData } from '../models/data.js';
import { type ParsedArgs } from './args.js';
/** How the command reaches the outside: replaced in tests. */
export interface ModelsCommandIo {
    fetch: typeof fetch;
    env: Record<string, string | undefined>;
}
/**
 * `nexus models export | check | refresh`: registry data as a file the application keeps.
 *
 * `export` writes the bundled data, as a file to start from. `check` validates a file and says how it
 * differs from the bundled data. `refresh` lists each provider's models with the keys in the
 * environment and compares them with the data: what the data lacks, and what the provider no longer
 * lists. Prices are not in any provider's model list, so they stay a check against its pricing page.
 */
export declare function runModelsCommand(subcommand: string, { positionals, flags }: ParsedArgs, io?: ModelsCommandIo): Promise<void>;
/** How the data compares with what one provider lists. */
export interface RefreshRow {
    /** The provider. */
    provider: string;
    /** Models the provider lists that the data does not have. */
    missing: string[];
    /** Models the data has for the provider that it no longer lists. */
    unlisted: string[];
}
/** Compares registry data with each provider's model list, completion and embedding models alike. */
export declare function refreshReport(data: RegistryData, listings: Record<string, string[]>): RefreshRow[];
interface ProviderList {
    /** The environment variable that holds its key. */
    env: string;
    /** Every model id it lists. */
    list(key: string, fetch: typeof globalThis.fetch): Promise<string[]>;
}
/** Each provider's own model list, read with the application's key: nothing else is contacted. */
export declare const PROVIDER_LISTS: Record<string, ProviderList>;
export {};