export declare class TantoWidgetError extends Error {
    readonly code: string;
    readonly details?: Record<string, any> | undefined;
    constructor(code: string, message: string, details?: Record<string, any> | undefined);
}
export declare const TantoWidgetErrorCodes: {
    readonly CLIENT_ID_REQUIRED: "CLIENT_ID_REQUIRED";
    readonly KEYLESS_WALLET_CONFIG_MISSING_CLIENT_ID: "KEYLESS_WALLET_CONFIG_MISSING_CLIENT_ID";
    readonly CREATE_ACCOUNT_FAILED: "CREATE_ACCOUNT_FAILED";
    readonly CONTEXT_NOT_INITIALIZED: "CONTEXT_NOT_INITIALIZED";
};