import { Transaction } from "@digitalbits-blockchain/xdb-digitalbits-sdk";
import { AuthToken, Encrypter, GetAuthTokenParams, Key, KeyMetadata, KeyStore, KeyTypeHandler, UnstoredKey } from "./types";
export interface KeyManagerParams {
    keyStore: KeyStore;
    defaultNetworkPassphrase?: string;
    shouldCache?: boolean;
}
export interface StoreKeyParams {
    key: Key | UnstoredKey;
    encrypterName: string;
    password: string;
}
export interface SignTransactionParams {
    transaction: Transaction;
    id: string;
    password: string;
    custom?: {
        [key: string]: any;
    };
}
export interface ChangePasswordParams {
    oldPassword: string;
    newPassword: string;
}
export declare class KeyManager {
    private encrypterMap;
    private keyStore;
    private keyHandlerMap;
    private keyCache;
    private shouldCache;
    private defaultNetworkPassphrase;
    constructor(params: KeyManagerParams);
    registerKeyHandler(keyHandler: KeyTypeHandler): void;
    registerEncrypter(encrypter: Encrypter): void;
    setDefaultNetworkPassphrase(passphrase: string): void;
    storeKey(params: StoreKeyParams): Promise<KeyMetadata>;
    loadKey(id: string, password: string): Promise<Key>;
    loadAllKeyIds(): Promise<string[]>;
    removeKey(id: string): Promise<KeyMetadata | undefined>;
    signTransaction(params: SignTransactionParams): Promise<Transaction>;
    fetchAuthToken(params: GetAuthTokenParams): Promise<AuthToken>;
    changePassword(params: ChangePasswordParams): Promise<KeyMetadata[]>;
    private _readFromCache;
    private _writeIndexCache;
}