/**
 * Determine the current environment in which the evaluations are running:
 * - BROWSERBASE or LOCAL
 *
 * The environment is read from the EVAL_ENV environment variable.
 */
export declare const env: "BROWSERBASE" | "LOCAL";
/**
 * Enable or disable caching based on the EVAL_ENABLE_CACHING environment variable.
 * Caching may improve performance by not re-fetching or re-computing certain results.
 * By default, caching is disabled unless explicitly enabled.
 */
export declare const enableCaching: boolean;