import { ethers } from 'ethers';
import { Config } from './Config';
import { DomainConfig } from './types';
export declare class Utils {
    private static config;
    private static serverWallet;
    private static walletCache;
    static InitServerWallet(domain?: string): Promise<ethers.Wallet | null>;
    static GetServerWallet(): ethers.Wallet | null;
    /**
     * Synchronous accessor for a domain's already-initialized wallet, read from
     * the per-domain cache. Returns null if InitServerWallet(domain) has not been
     * awaited yet. This lets the synchronous `get signer()` getter survive the
     * async migration: setDomain() awaits InitServerWallet to warm the cache, and
     * the getter reads it here without re-entering async config IO.
     */
    static GetServerWalletFor(domain: string): ethers.Wallet | null;
    static GetConfig(): Config;
    static GetDomainInfo(domain?: string): Promise<DomainConfig>;
}
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