import { providers } from 'ethers';
import { Chain, ChainProvider, Provider, WebSocketProvider } from '../types';
export declare type ConfigureChainsConfig = {
    stallTimeout?: number;
} & ({
    targetQuorum?: number;
    minQuorum?: never;
} | {
    targetQuorum: number;
    minQuorum?: number;
});
export declare function configureChains<TProvider extends Provider = Provider, TWebSocketProvider extends WebSocketProvider = WebSocketProvider>(defaultChains: Chain[], providers: ChainProvider<TProvider, TWebSocketProvider>[], { minQuorum, targetQuorum, stallTimeout }?: ConfigureChainsConfig): {
    readonly chains: Chain[];
    readonly provider: ({ chainId }: {
        chainId?: number | undefined;
    }) => TProvider | providers.FallbackProvider;
    readonly webSocketProvider: ({ chainId }: {
        chainId?: number | undefined;
    }) => TWebSocketProvider | undefined;
};