export declare function isOpenCodeHooksInstalled(workspaceRoot: string): boolean;
export declare function installOpenCodeHooks(workspaceRoot: string): void;
/**
 * Return true if an opencode process is actively writing to the hooks JSONL.
 * Prefers the per-session file when sessionId is known; falls back to the global file.
 */
export declare function isOpenCodeCliActive(workspaceRoot: string, windowMs?: number, sessionId?: string): boolean;
/**
 * Return true if the most recent opencode session exited cleanly (Stop event present).
 * Prefers the per-session file when sessionId is known.
 */
export declare function openCodeExitedCleanly(workspaceRoot: string, sessionId?: string): boolean;
/**
 * Read the workspace-scoped hooks-events.jsonl and return the session ID from
 * the most recent OpenCode session event.
 * Returns undefined if the file is absent or no session event has been seen yet.
 *
 * @param notBefore  Only consider events with a timestamp >= this ISO string or
 *                   epoch-ms number.  Pass the task-start time to avoid picking
 *                   up stale/foreign sessions from before this dispatch.
 */
export declare function getOpenCodeSessionIdFromHooks(workspaceRoot: string, notBefore?: string | number): string | undefined;
export declare function uninstallOpenCodeHooks(workspaceRoot: string): void;