import { JsonRpcApiProviderOptions, Networkish, Subscriber, Subscription } from "ethers";
import { JsonRpcApiProvider } from "./JsonRpcApiProvider";
export declare abstract class JsonRpcApiPollingProvider extends JsonRpcApiProvider {
    #private;
    constructor(network?: Networkish, options?: JsonRpcApiProviderOptions);
    _getSubscriber(sub: Subscription): Subscriber;
    /**
     *  The polling interval (default: 4000 ms)
     */
    get pollingInterval(): number;
    set pollingInterval(value: number);
}