import { EthRpc } from '@emeraldplatform/eth-rpc';
declare type NodeInfo = {
    chain: string;
    chainId: number;
    clientVersion: string;
};
export default class NodeChecker {
    ethRpc: EthRpc;
    static ETC_MAINNET_GENESIS: string;
    static ETC_MORDEN_GENESIS: string;
    static ETC_BLOCK_1920000: string;
    static ETH_BLOCK_1920000: string;
    constructor(ethRpc: EthRpc);
    exists(): Promise<string>;
    check(): Promise<NodeInfo>;
}
export {};
