import type { pino } from 'pino';
import type { SessionStore } from '../session-store.interface.js';
import type { Session } from '../../types/session.js';
import type { MigrationOptions, MigrationStats, RestoreOptions, RestoreStats, BackupOptions, ValidationOptions, ValidationResult } from './types.js';
export declare class SessionMigration {
    private logger;
    private orchestrator;
    private restorer;
    constructor(logger?: pino.Logger);
    migrate(sourceStore: SessionStore, targetStore: SessionStore, options?: MigrationOptions): Promise<MigrationStats>;
    validateMigration(sourceStore: SessionStore, targetStore: SessionStore, options?: ValidationOptions): Promise<ValidationResult>;
    backup(store: SessionStore, options?: BackupOptions): Promise<Session[]>;
    restore(store: SessionStore, sessions: Session[], options?: RestoreOptions): Promise<RestoreStats>;
}
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