import { Params, RequestArguments } from '@neongd/json-rpc';
import EventEmitter from 'eventemitter3';
import { Provider, ProviderEvents } from './Provider';
export declare abstract class AbstractProvider implements Provider {
    protected events: EventEmitter<ProviderEvents, any>;
    on<T extends EventEmitter.EventNames<ProviderEvents>>(event: T, fn: EventEmitter.EventListener<ProviderEvents, T>): void;
    removeListener<T extends EventEmitter.EventNames<ProviderEvents>>(event: T, fn: EventEmitter.EventListener<ProviderEvents, T>): void;
    abstract request<R = unknown, P extends Params = Params>(args: RequestArguments<P>): Promise<R>;
    abstract close(): Promise<void>;
}