/**
 * session_end hook — final backfill, outcome recording, and utility tracking.
 *
 * Submits remaining conversation content to engram for extraction,
 * records session outcome (success/partial/abandoned) for closed-loop learning,
 * and tracks utility signals for injected observations.
 */
import type { EngramRestClient } from '../client.js';
import type { PluginConfig } from '../config.js';
import type { SessionEndEvent, PluginHookContext, PluginLogger } from '../types/openclaw.js';
/**
 * Handle the session_end hook.
 *
 * @param event  - The session_end event from OpenClaw.
 * @param ctx    - The hook context containing agent identity fields.
 * @param client - Shared engram REST client.
 * @param config - Resolved plugin config.
 */
export declare function handleSessionEnd(event: SessionEndEvent, ctx: PluginHookContext, client: EngramRestClient, config: PluginConfig, logger?: PluginLogger): void;
//# sourceMappingURL=session-end.d.ts.map