import { EventItem, EventRegistry, EventType } from '@soul-wallet/extension-base/services/event-service/types';
import EventEmitter from 'eventemitter3';
export declare class EventService extends EventEmitter<EventRegistry> {
    private lazyTime;
    private timeoutId;
    private pendingEvents;
    private lazyEmitter;
    readonly waitCryptoReady: Promise<boolean>;
    readonly waitDatabaseReady: Promise<boolean>;
    readonly waitKeyringReady: Promise<boolean>;
    readonly waitAccountReady: Promise<boolean>;
    readonly waitChainReady: Promise<boolean>;
    readonly waitAssetReady: Promise<boolean>;
    constructor(options?: {
        lazyTime: number;
    });
    private generateWaitPromise;
    private setLazyTimeout;
    private emitLazy;
    onLazy(callback: (events: EventItem<EventType>[], eventTypes: EventType[]) => void): void;
    offLazy(callback: (events: EventItem<EventType>[], eventTypes: EventType[]) => void): void;
    onceLazy(callback: (events: EventItem<EventType>[], eventTypes: EventType[]) => void): void;
    emit<T extends EventType>(eventType: T, ...args: EventEmitter.EventArgs<EventRegistry, T>): boolean;
}