/**
 * kosha-discovery — Vercel AI Gateway discoverer.
 *
 * Vercel's AI Gateway exposes a public, OpenAI-compatible model catalog at
 * `/v1/models`. The payload is richer than a plain OpenAI model list: it
 * includes context limits, model type, tags, release metadata, and route-level
 * pricing summaries. Discovery is unauthenticated, while execution through the
 * gateway requires `AI_GATEWAY_API_KEY` or `VERCEL_OIDC_TOKEN`.
 *
 * @module
 */
import type { CredentialResult, ModelCard } from "../types.js";
import { BaseDiscoverer } from "./base.js";
/** Discovers models available through Vercel AI Gateway. */
export declare class VercelAIGatewayDiscoverer extends BaseDiscoverer {
    readonly providerId = "vercel";
    readonly providerName = "Vercel AI Gateway";
    readonly baseUrl = "https://ai-gateway.vercel.sh/v1";
    /**
     * Fetch the public Gateway model catalog.
     *
     * The model list currently requires no authentication. If a credential is
     * present, I still send it so the implementation remains compatible if
     * Vercel later applies account-scoped model visibility or rate limits.
     */
    discover(credential: CredentialResult, options?: {
        timeout?: number;
    }): Promise<ModelCard[]>;
    private isRelevantModel;
    private toModelCard;
    private inferMode;
    private inferCapabilities;
    private inferToolDialect;
    private extractOriginProvider;
    private inferStatus;
    private parsePricing;
    private parsePerToken;
    private firstTierPerMillion;
    private longTier;
    private parseDollar;
    private parseImagePerOutput;
    private parseVideoPerSecond;
    private parseVideoTokenPerMillion;
}
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