/**
 * @license
 * Copyright 2025 Vybestack LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Shared type for API-key-based quota providers.
 */
export type ApiKeyQuotaProvider = 'zai' | 'synthetic' | 'chutes' | 'kimi';
/**
 * Map of provider names to their canonical quota provider type.
 * Includes primary names and aliases.
 */
export declare const API_KEY_PROVIDER_NAME_MAP: Readonly<Record<string, ApiKeyQuotaProvider>>;
/**
 * Identifies the API-key-based provider from a provider name.
 * Returns null if the name doesn't match a known provider.
 */
export declare function detectApiKeyProviderFromName(providerName: string | undefined): ApiKeyQuotaProvider | null;
/**
 * Identifies the API-key-based provider from a base URL string.
 * Uses safe hostname parsing to prevent misclassification.
 * Returns null if the URL doesn't match a known provider.
 */
export declare function detectApiKeyProvider(baseUrl: string | undefined): ApiKeyQuotaProvider | null;
/**
 * Result from fetching API key provider quota
 */
export interface ApiKeyQuotaResult {
    provider: string;
    lines: string[];
}
/**
 * Fetch and format quota information for an API-key-based provider.
 *
 * @param provider - The detected provider name
 * @param apiKey - The API key to use for the request
 * @param baseUrl - The base URL (used by some providers to derive endpoint)
 * @returns Formatted lines, or null if the fetch failed
 */
export declare function fetchApiKeyQuota(provider: ApiKeyQuotaProvider, apiKey: string, baseUrl?: string): Promise<ApiKeyQuotaResult | null>;