import { EventSubscription, NativeEventEmitter } from 'react-native';
import { Addresses, BlockRange, ConfirmedTransaction, InitializerConfig, Network, SpendFailure, SpendInfo, SpendSuccess, SynchronizerCallbacks, WalletBalance } from './types';
export * from './types';
export declare const Tools: {
    deriveViewingKey: (seedBytesHex: string, network: Network) => Promise<string>;
    getBirthdayHeight: (host: string, port: number) => Promise<number>;
    isValidAddress: (address: string, network?: Network) => Promise<boolean>;
};
export declare class Synchronizer {
    eventEmitter: NativeEventEmitter;
    subscriptions: EventSubscription[];
    alias: string;
    network: Network;
    constructor(alias: string, network: Network);
    stop(): Promise<String>;
    initialize(initializerConfig: InitializerConfig): Promise<void>;
    deriveUnifiedAddress(): Promise<Addresses>;
    getLatestNetworkHeight(alias: string): Promise<number>;
    getBalance(): Promise<WalletBalance>;
    getTransactions(range: BlockRange): Promise<ConfirmedTransaction[]>;
    rescan(): void;
    sendToAddress(spendInfo: SpendInfo): Promise<SpendSuccess | SpendFailure>;
    subscribe({ onStatusChanged, onUpdate, onError }: SynchronizerCallbacks): void;
    private setListener;
    unsubscribe(): void;
}
export declare const makeSynchronizer: (initializerConfig: InitializerConfig) => Promise<Synchronizer>;