/**
 * Recall tool: search through past conversation history.
 *
 * The consumer provides a search function via RecallConfig. This module
 * wraps it into a CortexTool that the agent can invoke to retrieve
 * specific details from persisted messages. Observations include
 * timestamps, enabling temporal anchoring for precise recall queries.
 *
 * Reference: docs/cortex/observational-memory-architecture.md (Recall Tool)
 */
import type { CortexTool } from '../../tool-contract.js';
import type { RecallConfig } from './types.js';
/**
 * Create a CortexTool that wraps the consumer's recall search function.
 *
 * The returned tool lets the agent search through persisted conversation
 * history using a free-text query and optional time range derived from
 * observation timestamps.
 */
export declare function createRecallTool(recallConfig: RecallConfig): CortexTool<{
    query: string;
    timeRange?: {
        start?: string;
        end?: string;
    };
}, string>;
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