import { default as Client } from '@walletconnect/sign-client';
import { ChainType } from '../wallets/client/IWallet';

export interface IWalletConnectSession {
    namespaces?: Record<string, {
        accounts: string[];
    }>;
    topic?: string;
}
export declare class WalletConnectUtils {
    readonly projectId = "ec5947bfca9139caa22ec404d6a40f9a";
    private _web3Modal;
    private _wclient;
    get web3Modal(): any;
    get wClient(): Client | null;
    constructor();
    initWClient(): Promise<void>;
    getChainIdWithNamespace(chain: ChainType.ETHEREUM | ChainType.BSC, isTestnet: boolean): string;
    getRequiredNamespaces(chainIdWithNamespace: string): {
        eip155: {
            methods: string[];
            chains: string[];
            events: string[];
        };
    };
    getOptionalNamespaces(chainIdWithNamespace: string): {
        eip155: {
            methods: string[];
            chains: string[];
            events: never[];
        };
    };
    getConnectedAccountFromSession(session: IWalletConnectSession): string;
    sign(chainIdWithNamespace: string, sessionTopic: string, address: string, message: string): Promise<string | undefined>;
}
export declare const walletConnectUtils: WalletConnectUtils;