import { Chain } from "@swapkit/helpers";
export declare const coinbaseWallet: {
    connectCoinbaseWallet: {
        connectWallet: ({ addChain }: {
            addChain: import("@swapkit/helpers").AddChainType;
        }) => (chains: Chain[]) => Promise<boolean>;
        directSigningSupport: import("@swapkit/wallet-core").DirectSigningSupport;
        getExtendedPublicKey?: import("@swapkit/wallet-core").GetExtendedPublicKey;
        supportedChains: (Chain.Arbitrum | Chain.Avalanche | Chain.Base | Chain.BinanceSmartChain | Chain.Ethereum | Chain.Optimism | Chain.Polygon | Chain.XLayer)[];
    };
};
export declare const COINBASE_SUPPORTED_CHAINS: (Chain.Arbitrum | Chain.Avalanche | Chain.Base | Chain.BinanceSmartChain | Chain.Ethereum | Chain.Optimism | Chain.Polygon | Chain.XLayer)[];
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