import { CRUDEngine } from '@wireapp/store-engine';
/**
 * Will migrate all the session ids in the database to fully qualified ids (from 'user-id@device-id` to  `domain@user-id@device-id`)
 * Will only occur once for an instance of the webapp (a flag is stored in order not to re-do the migration at each loadtime)
 *
 * @param sessionTable The indexedDB table where the sessions are stored
 * @param defaultDomain The domain to add to the unqualified session ids
 */
export declare function migrateToQualifiedSessionIds(storeEngine: CRUDEngine, defaultDomain: string): Promise<void>;
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