import { StaticJsonRpcProvider } from '@ethersproject/providers';
import { ConfigService } from '@nestjs/config';
import { Network } from '../types/network.interface';
export declare class NetworkProviderService {
    private providers;
    static getEnvVarKey(network: Network): string;
    constructor(configService: ConfigService);
    getProvider(network: Network): StaticJsonRpcProvider;
}
