import type { TimeoutToolRuntimeAdapter } from './TimeoutToolRuntimeAdapter';
/**
 * Sets runtime adapter used by `USE TIMEOUT` tools.
 *
 * @private internal utility of USE TIMEOUT
 */
export declare function setTimeoutToolRuntimeAdapter(adapter: TimeoutToolRuntimeAdapter | null): void;
/**
 * Gets runtime adapter used by `USE TIMEOUT` tools.
 *
 * @private internal utility of USE TIMEOUT
 */
export declare function getTimeoutToolRuntimeAdapter(): TimeoutToolRuntimeAdapter | null;