/// <reference types="node" />
import EventEmitter from 'events';
import StrictEventEmitter from 'strict-event-emitter-types';
import { DriftCompetitionsProgramAccountBaseEvents, DriftCompetitionsProgramAccountSubscriber } from '../types/types';
export declare abstract class ProgramAccountBase<Account, AccountEvents extends DriftCompetitionsProgramAccountBaseEvents> {
    accountSubscriber: DriftCompetitionsProgramAccountSubscriber<Account, AccountEvents>;
    get isSubscribed(): boolean;
    get eventEmitter(): StrictEventEmitter<EventEmitter, AccountEvents>;
    subscribe(): Promise<boolean>;
    unsubscribe(): Promise<void>;
    getData(): Account;
    updateData(newData: Account, slot: number): Promise<void>;
    fetch(): Promise<void>;
}