import type { b64string } from '@tanker/crypto';
import { tcrypto } from '@tanker/crypto';
declare type PermanentIdentityTarget = 'user';
declare type SecretProvisionalIdentityTarget = 'email' | 'phone_number';
declare type PublicProvisionalIdentityTarget = 'email' | 'hashed_email' | 'hashed_phone_number';
export declare type PublicPermanentIdentity = {
    trustchain_id: b64string;
    target: PermanentIdentityTarget;
    value: b64string;
};
export declare type SecretPermanentIdentity = PublicPermanentIdentity & {
    ephemeral_public_signature_key: b64string;
    ephemeral_private_signature_key: b64string;
    delegation_signature: b64string;
    user_secret: b64string;
};
declare type ProvisionalIdentityBase = {
    trustchain_id: b64string;
    value: string;
    public_signature_key: b64string;
    public_encryption_key: b64string;
};
export declare type PublicProvisionalIdentity = ProvisionalIdentityBase & {
    target: PublicProvisionalIdentityTarget;
};
export declare type SecretProvisionalIdentity = ProvisionalIdentityBase & {
    target: SecretProvisionalIdentityTarget;
    private_encryption_key: b64string;
    private_signature_key: b64string;
};
export declare type PublicProvisionalUser = {
    trustchainId: Uint8Array;
    target: string;
    value: string;
    appSignaturePublicKey: Uint8Array;
    appEncryptionPublicKey: Uint8Array;
    tankerSignaturePublicKey: Uint8Array;
    tankerEncryptionPublicKey: Uint8Array;
};
export declare type ProvisionalUserKeys = {
    appSignatureKeyPair: tcrypto.SodiumKeyPair;
    appEncryptionKeyPair: tcrypto.SodiumKeyPair;
    tankerSignatureKeyPair: tcrypto.SodiumKeyPair;
    tankerEncryptionKeyPair: tcrypto.SodiumKeyPair;
};
export declare type SecretIdentity = SecretPermanentIdentity | SecretProvisionalIdentity;
export declare type PublicIdentity = PublicPermanentIdentity | PublicProvisionalIdentity;
export declare function toIdentityOrderedJson(identity: SecretIdentity | PublicIdentity): b64string;
export declare function _serializeIdentity(identity: SecretIdentity | PublicIdentity): b64string;
export declare function _deserializeIdentity(identity: b64string): SecretIdentity;
export declare function _deserializePermanentIdentity(identity: b64string): SecretPermanentIdentity;
export declare function _deserializeProvisionalIdentity(identity: b64string): SecretProvisionalIdentity;
export declare function _deserializePublicIdentity(identity: b64string): PublicIdentity;
export declare function _splitProvisionalAndPermanentPublicIdentities(identities: Array<PublicIdentity>): {
    permanentIdentities: PublicPermanentIdentity[];
    provisionalIdentities: PublicProvisionalIdentity[];
};
export declare function createIdentity(appId: b64string, appSecret: b64string, userId: string): Promise<b64string>;
export declare function createProvisionalIdentity(appId: b64string, target: SecretProvisionalIdentityTarget, value: string): Promise<b64string>;
export declare function getPublicIdentity(tankerIdentity: b64string): Promise<b64string>;
export declare function upgradeIdentity(tankerIdentity: b64string): Promise<b64string>;
export {};