/**
 * Shared OpenRouter provider configuration.
 *
 * Zero Data Retention (ZDR) tells OpenRouter to only route requests to
 * providers that guarantee they won't store or train on request data.
 * Controlled by the ENABLE_ZDR environment variable (default: off).
 */
export declare function isZdrEnabled(): boolean;
export declare function isRuntimeLlmEnabled(): boolean;
export declare function getZdrAllowedModels(): string[];
export declare function assertZdrCompatibleModel(model: string): void;
/** Build the `provider.zdr` fragment for OpenRouter requests. */
export declare function zdrParam(): {
    zdr?: true;
    allow_fallbacks?: false;
    require_parameters?: true;
};