import type { SessionStore } from '../session-store.interface.js';
import type { Session } from '../../types/session.js';
import type { pino } from 'pino';
export declare function getAllSessions(store: SessionStore, logger: pino.Logger): Promise<Session[]>;
export declare function isSessionExpired(session: Session): boolean;
export declare function isValidSessionStructure(session: Session): boolean;
export declare function filterExpiredSessions(sessions: Session[]): Session[];
export declare function filterSessionsByCustomFilter(sessions: Session[], filter: (session: Session) => boolean): Session[];
export declare function createErrorMessage(error: unknown): string;
export declare function createSessionIdSet(sessions: Session[]): Set<string>;
export declare function findMissingSessions(sourceIds: Set<string>, targetIds: Set<string>): string[];
export declare function findExtraSessions(sourceIds: Set<string>, targetIds: Set<string>): string[];
//# sourceMappingURL=migration-utils.d.ts.map