export interface SignalProtocolAddressType {
    readonly name: string;
    readonly deviceId: number;
    toString: () => string;
    equals: (other: SignalProtocolAddressType) => boolean;
}
export interface FingerprintGeneratorType {
    createFor: (localIdentifier: string, localIdentityKey: ArrayBuffer, remoteIdentifier: string, remoteIdentityKey: ArrayBuffer) => Promise<string>;
}
export interface KeyPairType<T = ArrayBuffer> {
    pubKey: T;
    privKey: T;
}
export interface PreKeyPairType<T = ArrayBuffer> {
    keyId: number;
    keyPair: KeyPairType<T>;
}
export interface SignedPreKeyPairType<T = ArrayBuffer> extends PreKeyPairType<T> {
    signature: T;
}
export interface PreKeyType<T = ArrayBuffer> {
    keyId: number;
    publicKey: T;
}
export interface SignedPublicPreKeyType<T = ArrayBuffer> extends PreKeyType<T> {
    signature: T;
}
export type SessionRecordType = string;
export declare enum Direction {
    SENDING = 1,
    RECEIVING = 2
}
export interface StorageType {
    getIdentityKeyPair: () => Promise<KeyPairType | undefined>;
    getLocalRegistrationId: () => Promise<number | undefined>;
    isTrustedIdentity: (identifier: string, identityKey: ArrayBuffer, direction: Direction) => Promise<boolean>;
    saveIdentity: (encodedAddress: string, publicKey: ArrayBuffer, nonblockingApproval?: boolean) => Promise<boolean>;
    loadPreKey: (encodedAddress: string | number) => Promise<KeyPairType | undefined>;
    storePreKey: (keyId: number | string, keyPair: KeyPairType) => Promise<void>;
    removePreKey: (keyId: number | string) => Promise<void>;
    storeSession: (encodedAddress: string, record: SessionRecordType) => Promise<void>;
    loadSession: (encodedAddress: string) => Promise<SessionRecordType | undefined>;
    loadSignedPreKey: (keyId: number | string) => Promise<KeyPairType | undefined>;
    storeSignedPreKey: (keyId: number | string, keyPair: KeyPairType) => Promise<void>;
    removeSignedPreKey: (keyId: number | string) => Promise<void>;
}
export interface CurveType {
    generateKeyPair: () => Promise<KeyPairType>;
    createKeyPair: (privKey: ArrayBuffer) => Promise<KeyPairType>;
    calculateAgreement: (pubKey: ArrayBuffer, privKey: ArrayBuffer) => Promise<ArrayBuffer>;
    verifySignature: (pubKey: ArrayBuffer, msg: ArrayBuffer, sig: ArrayBuffer) => Promise<void>;
    calculateSignature: (privKey: ArrayBuffer, message: ArrayBuffer) => ArrayBuffer | Promise<ArrayBuffer>;
    validatePubKeyFormat: (buffer: ArrayBuffer) => ArrayBuffer;
}
export interface AsyncCurveType {
    generateKeyPair: () => Promise<KeyPairType>;
    createKeyPair: (privKey: ArrayBuffer) => Promise<KeyPairType>;
    calculateAgreement: (pubKey: ArrayBuffer, privKey: ArrayBuffer) => Promise<ArrayBuffer>;
    verifySignature: (pubKey: ArrayBuffer, msg: ArrayBuffer, sig: ArrayBuffer) => Promise<boolean>;
    calculateSignature: (privKey: ArrayBuffer, message: ArrayBuffer) => Promise<ArrayBuffer>;
}