/**
 * Session Store - JSON Persistence
 *
 * Phase 2: Persistent storage for research sessions using JSON file
 *
 * Storage location: ~/.local/share/australian-history-mcp/sessions.json
 */
import type { Session, SessionQuery, ResultFingerprint, SourceCoverage, ListSessionOptions } from './types.js';
/**
 * Session store with JSON persistence
 */
export declare class SessionStore {
    private data;
    /**
     * Get the sessions file path
     */
    static getFilePath(): string;
    /**
     * Check if sessions file exists
     */
    static exists(): boolean;
    /**
     * Load sessions from disk
     */
    private load;
    /**
     * Save sessions to disk (atomic write via temp file + rename)
     */
    private save;
    /**
     * Clear cached data (for testing)
     */
    clearCache(): void;
    /**
     * Create a new session
     */
    create(options: {
        name: string;
        topic: string;
        planId?: string;
        planPath?: string;
    }): Session;
    /**
     * Get a session by ID
     */
    get(id: string): Session | undefined;
    /**
     * Get a session by name
     */
    getByName(name: string): Session | undefined;
    /**
     * Get the currently active session
     */
    getActive(): Session | undefined;
    /**
     * Set a session as active
     */
    setActive(id: string): void;
    /**
     * Clear the active session flag
     */
    clearActive(): void;
    /**
     * Update a session
     */
    update(id: string, updates: Partial<Pick<Session, 'name' | 'topic' | 'status' | 'planId' | 'planPath'>>): Session;
    /**
     * End a session (set status to completed or archived)
     */
    end(id: string, status?: 'completed' | 'archived'): Session;
    /**
     * Pause a session
     */
    pause(id: string): Session;
    /**
     * Resume a paused session
     */
    resume(id: string): Session;
    /**
     * List sessions with optional filtering
     */
    list(options?: ListSessionOptions): {
        sessions: Session[];
        total: number;
        hasMore: boolean;
    };
    /**
     * Log a query to a session
     */
    logQuery(sessionId: string, query: SessionQuery): void;
    /**
     * Add a fingerprint to a session
     */
    addFingerprint(sessionId: string, fingerprint: ResultFingerprint): void;
    /**
     * Check if a fingerprint exists in a session
     */
    hasFingerprint(sessionId: string, fingerprintId: string): boolean;
    /**
     * Get all fingerprints for a session
     */
    getFingerprints(sessionId: string): ResultFingerprint[];
    /**
     * Update coverage for a source
     */
    updateCoverage(sessionId: string, source: string, status: SourceCoverage['status'], resultsFound?: number, error?: string): void;
    /**
     * Get coverage summary for a session
     */
    getCoverageSummary(sessionId: string): {
        searched: string[];
        pending: string[];
        failed: string[];
    };
    /**
     * Add a note to a session
     */
    addNote(sessionId: string, note: string): number;
    /**
     * Get count of all sessions
     */
    count(): number;
    /**
     * Delete a session by ID
     */
    delete(id: string): boolean;
}
export declare const sessionStore: SessionStore;
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