/**
 * Wait for a condition to become true
 *
 * @param condition - Function that returns true when condition is met
 * @param timeoutMs - Maximum time to wait in milliseconds (default: 5000)
 * @param intervalMs - Check interval in milliseconds (default: 100)
 * @returns Promise that resolves when condition is met or rejects on timeout
 *
 * @example
 * ```typescript
 * await waitFor(() => tool.isReady, 10000);
 * await waitFor(() => counter > 5, 3000, 50);
 * ```
 */
export declare function waitFor(condition: () => boolean, timeoutMs?: number, intervalMs?: number): Promise<void>;
/**
 * Wait for an async condition to become true
 *
 * @param condition - Async function that returns true when condition is met
 * @param timeoutMs - Maximum time to wait in milliseconds (default: 5000)
 * @param intervalMs - Check interval in milliseconds (default: 100)
 * @returns Promise that resolves when condition is met or rejects on timeout
 *
 * @example
 * ```typescript
 * await waitForAsync(async () => await db.isConnected(), 10000);
 * ```
 */
export declare function waitForAsync(condition: () => Promise<boolean>, timeoutMs?: number, intervalMs?: number): Promise<void>;
/**
 * Sleep for specified milliseconds
 *
 * @param ms - Milliseconds to sleep
 * @returns Promise that resolves after delay
 *
 * @example
 * ```typescript
 * await sleep(1000); // Wait 1 second
 * ```
 */
export declare function sleep(ms: number): Promise<void>;
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