type EnvReact = {
    REACT_APP_TARGET_NETWORK: number;
    REACT_APP_TARGET_NETWORK_MSG?: string;
    REACT_APP_API_URL: string;
    MPC_PROTOCOL: string;
    APP_SERVER_ADDRESS: string;
    APP_SERVER_ADDRESS_PROTOCOL: string;
    ABC_SERVER_ADDRESS: string;
    INFURA_ID: string | undefined;
    ALCHEMY_ID: string | undefined;
    KLAYTN_API_USERNAME: string | undefined;
    KLAYTN_API_PASSWORD: string | undefined;
    KLAYTN_AUTH_TOKEN: string | undefined;
    ETHERSCAN_API_KEY: string | undefined;
    BSCSCAN_API_KEY: string | undefined;
    POLIGONSCAN_API_KEY: string | undefined;
    ABC_SERVICE_ID: string;
    ISS: string;
    SECURE_LOCAL_STORAGE_HASH_KEY: string | undefined;
};
declare const env: EnvReact;
export default env;