import { SingletonService } from '../singleton-service';
import { EvanTranslationService } from '../ui/translate';
import { EvanToastService } from '../ui/toast';
import { EvanUtilService } from '../utils';
import { EvanRoutingService } from '../ui/routing';
import { EvanAlertService } from '../ui/alert';
/**************************************************************************************************/
/**
 * Core service for angular-core that handles dapp-browser connections, active
 * accounts, current provider and more
 *
 * @class      Injectable EvanCoreService
 */
export declare class EvanCoreService {
    singleton: SingletonService;
    translate: EvanTranslationService;
    utils: EvanUtilService;
    toast: EvanToastService;
    routingService: EvanRoutingService;
    alertService: EvanAlertService;
    /**
     * providers that can used
     */
    private validProviders;
    /**
     * current web3 instance
     */
    private web3;
    /**
     * base url of the evan.network smart agents server
     */
    agentUrl: string;
    /**
     * load dependency services
     */
    constructor(singleton: SingletonService, translate: EvanTranslationService, utils: EvanUtilService, toast: EvanToastService, routingService: EvanRoutingService, alertService: EvanAlertService);
    /**
     * Hides the initial loading that is embedded to the root dapp html page. =>
     * It will disappear smooth and will be removed when animation is over
     */
    finishDAppLoading(): void;
    /**
     * Get the current configured current provider
     *
     * @return     {string}  The current provider.
     */
    getCurrentProvider(): string;
    /**
     * Check if we should use internal provider.
     *
     * @return     {boolean}  True if internal provider, False otherwise.
     */
    isInternalProvider(): boolean;
    /**
     * Checks if a injected web3 provider exists an returns it's name
     */
    getExternalProvider(): any;
    /**
     * Sets the current provider that should be used.
     *
     * @param      {string}  provider  provider to switch to
     */
    setCurrentProvider(provider: string): void;
    /**
     * Get the current selected account included the check of the current
     * provider.
     *
     * @return     {string}  active account
     */
    activeAccount(): string;
    /**
     * Returns the current saved account id
     *
     * @return     {string}  get account id from local storage
     */
    getAccountId(): string;
    /**
     * Sets an account id as active one to the local storage.
     *
     * @param      {string}  accountId  account id to set
     */
    setAccountId(accountId: string): void;
    /**
     * Checks if an external provider is activated and returns it's active account
     * id
     *
     * @return     {string}  The external account.
     */
    getExternalAccount(): string;
    /**
     * Return the name of the current used browser =>
     * https://stackoverflow.com/questions/9847580/how-to-detect-safari-chrome-ie-firefox-and-opera-browser
     *
     * @return     {string}  opera / firefox / safari / ie / edge / chrome
     */
    currentBrowser(): any;
    /**
     * Get the balance of the current active or given account
     *
     * @param      {string}           accountId  account id to get the balance for
     * @return     {Promise<number>}  The balance.
     */
    getBalance(accountId?: string): Promise<number>;
    /**
     * Logout the current user. Removes the active account, provider and terms of use acceptance.
     */
    logout(): void;
    /**
     * Copes a string into the users clipboard and shows an toast, including the copied text
     *
     * @param      {string}  stringToCopy  text that should be copied
     * @param      {string}  toastMessage  Provide a custom toast message
     */
    copyString(stringToCopy: string, toastMessage?: string): void;
}