export type WalletApi = {
    getNetworkId(): Promise<number>;
    getUtxos(): Promise<string[] | undefined>;
    getBalance(): Promise<string>;
    getUsedAddresses(): Promise<string[]>;
    getUnusedAddresses(): Promise<string[]>;
    getChangeAddress(): Promise<string>;
    getRewardAddresses(): Promise<string[]>;
    signTx(tx: string, partialSign: boolean): Promise<string>;
    signData(address: string, payload: string): Promise<{
        signature: string;
        key: string;
    }>;
    submitTx(tx: string): Promise<string>;
    getCollateral(): Promise<string[]>;
    experimental: {
        getCollateral(): Promise<string[]>;
        on(eventName: string, callback: (...args: unknown[]) => void): void;
        off(eventName: string, callback: (...args: unknown[]) => void): void;
    };
};
export type Cardano = {
    [key: string]: {
        name: string;
        icon: string;
        apiVersion: string;
        enable(): Promise<WalletApi>;
        isEnabled(): Promise<boolean>;
    };
};
declare global {
    var cardano: Cardano;
}