import { keys as ProteusKeys, session as ProteusSession } from '@wireapp/proteus';
import { CRUDEngineBaseCollection } from '@wireapp/store-engine';
export declare enum CRUDStoreKeys {
    LOCAL_IDENTITY = "local_identity"
}
export declare enum CRUDStoreStores {
    LOCAL_IDENTITY = "keys",
    PRE_KEYS = "prekeys",
    SESSIONS = "sessions"
}
export declare class CryptoboxCRUDStore implements ProteusSession.PreKeyStore {
    private readonly engine;
    static readonly KEYS: typeof CRUDStoreKeys;
    static readonly STORES: typeof CRUDStoreStores;
    constructor(engine: CRUDEngineBaseCollection);
    private from_store;
    private to_store;
    delete_all(): Promise<true>;
    delete_prekey(prekeyId: number): Promise<number>;
    load_identity(): Promise<ProteusKeys.IdentityKeyPair | undefined>;
    load_prekey(prekeyId: number): Promise<ProteusKeys.PreKey | undefined>;
    load_prekeys(): Promise<ProteusKeys.PreKey[]>;
    save_identity(identity: ProteusKeys.IdentityKeyPair): Promise<ProteusKeys.IdentityKeyPair>;
    save_prekey(preKey: ProteusKeys.PreKey): Promise<ProteusKeys.PreKey>;
    save_prekeys(preKeys: ProteusKeys.PreKey[]): Promise<ProteusKeys.PreKey[]>;
    create_session(sessionId: string, session: ProteusSession.Session): Promise<ProteusSession.Session>;
    read_session(identity: ProteusKeys.IdentityKeyPair, sessionId: string): Promise<ProteusSession.Session>;
    read_sessions(identity: ProteusKeys.IdentityKeyPair): Promise<Record<string, ProteusSession.Session>>;
    update_session(sessionId: string, session: ProteusSession.Session): Promise<ProteusSession.Session>;
    delete_session(sessionId: string): Promise<string>;
}