import { providers } from 'ethers';
import { ChainProvider, FallbackProviderConfig } from '../types';
export declare type AlchemyProviderConfig = FallbackProviderConfig & {
    alchemyId?: string;
    pollingInterval?: number;
};
export declare function alchemyProvider({ alchemyId, pollingInterval, priority, stallTimeout, weight, }?: AlchemyProviderConfig): ChainProvider<providers.AlchemyProvider, providers.AlchemyWebSocketProvider>;