import { KeyPairType } from './types';
import { SessionType, PendingPreKey, Chain, OldRatchetInfo, Ratchet, IndexInfo, RecordType } from './session-types';
export declare class SessionRecord implements RecordType {
    private static migrations;
    private static migrate;
    registrationId?: number;
    sessions: {
        [k: string]: SessionType;
    };
    version: string;
    constructor(registrationId?: number);
    static deserialize(serialized: string): SessionRecord;
    serialize(): string;
    haveOpenSession(): boolean;
    getSessionByBaseKey(baseKey: ArrayBuffer): SessionType | undefined;
    getSessionByRemoteEphemeralKey(remoteEphemeralKey: ArrayBuffer): SessionType | undefined;
    getOpenSession(): SessionType | undefined;
    private detectDuplicateOpenSessions;
    updateSessionState(session: SessionType): void;
    getSessions(): SessionType[];
    archiveCurrentState(): void;
    promoteState(session: SessionType): void;
    removeOldChains(session: SessionType): void;
    removeOldSessions(): void;
    deleteAllSessions(): void;
}
export declare function keyPairStirngToArrayBuffer(kp: KeyPairType<string>): KeyPairType<ArrayBuffer>;
export declare function keyPairArrayBufferToString(kp: KeyPairType<ArrayBuffer>): KeyPairType<string>;
export declare function pendingPreKeyStringToArrayBuffer(ppk: PendingPreKey<string>): PendingPreKey<ArrayBuffer>;
export declare function pendingPreKeyArrayBufferToString(ppk: PendingPreKey<ArrayBuffer>): PendingPreKey<string>;
export declare function chainStringToArrayBuffer(c: Chain<string>): Chain<ArrayBuffer>;
export declare function chainArrayBufferToString(c: Chain<ArrayBuffer>): Chain<string>;
export declare function oldRatchetInfoStringToArrayBuffer(ori: OldRatchetInfo<string>): OldRatchetInfo<ArrayBuffer>;
export declare function oldRatchetInfoArrayBufferToString(ori: OldRatchetInfo<ArrayBuffer>): OldRatchetInfo<string>;
export declare function ratchetStringToArrayBuffer(r: Ratchet<string>): Ratchet<ArrayBuffer>;
export declare function ratchetArrayBufferToString(r: Ratchet<ArrayBuffer>): Ratchet<string>;
export declare function indexInfoStringToArrayBuffer(ii: IndexInfo<string>): IndexInfo<ArrayBuffer>;
export declare function indexInfoArrayBufferToString(ii: IndexInfo<ArrayBuffer>): IndexInfo<string>;
export declare function sessionTypeStringToArrayBuffer(sess: SessionType<string>): SessionType<ArrayBuffer>;
export declare function sessionTypeArrayBufferToString(sess: SessionType<ArrayBuffer>): SessionType<string>;