import type { AgentMessage } from '@earendil-works/pi-agent-core';
import type { MemoryManager } from './manager.js';
/**
 * Prefix user message with fenced prefetched memory context (if any).
 */
export declare function injectPrefetchIntoUserMessage(memoryManager: MemoryManager, sessionKey: string, userMessage: AgentMessage, queryText: string): Promise<AgentMessage>;
