/**
 * [WHO]: TeachPersistence - learning record and mission persistence
 * [FROM]: Depends on node:fs, node:path for file operations
 * [TO]: Consumed by teach-runtime.ts
 * [HERE]: extensions/builtin/teach/teach-persistence.ts - data persistence for teach extension
 */
import type { LearningRecord, Mission } from "./teach-types.js";
export declare class TeachPersistence {
    private basePath;
    constructor(workspacePath: string);
    private ensureDirectories;
    /**
     * Save a learning record
     */
    saveLearningRecord(record: LearningRecord): Promise<string>;
    /**
     * Load learning records for a topic
     */
    loadLearningRecords(topic: string): Promise<LearningRecord[]>;
    /**
     * Save a mission
     */
    saveMission(topic: string, mission: Mission): Promise<string>;
    /**
     * Load a mission for a topic
     */
    loadMission(topic: string): Promise<Mission | null>;
    /**
     * Save glossary
     */
    saveGlossary(glossary: Map<string, string>): Promise<void>;
    /**
     * Load glossary
     */
    loadGlossary(): Promise<Map<string, string>>;
}