/**
 * API Key Exchange for Qwen
 * Attempts to exchange OAuth token for API key
 */
interface ApiKeyResponse {
    success: boolean;
    api_key?: string;
    error?: string;
}
/**
 * Try to get API key from OAuth token
 * This is speculative - Qwen may require OAuth token → API key exchange
 */
export declare function tryGetApiKey(oauthToken: string): Promise<ApiKeyResponse>;
/**
 * Check if we need to use OAuth token directly or exchange for API key
 */
export declare function validateTokenWithApi(token: string, apiBaseUrl: string): Promise<boolean>;
export {};
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