export declare const FieldsetTheme: {
    root: {
        background: string;
        borderColor: string;
        borderRadius: string;
        color: string;
        padding: string;
        transitionDuration: string;
    };
    legend: {
        background: string;
        hoverBackground: string;
        color: string;
        hoverColor: string;
        borderRadius: string;
        borderWidth: string;
        borderColor: string;
        padding: string;
        gap: string;
        fontWeight: string;
        focusRing: {
            width: string;
            style: string;
            color: string;
            offset: string;
            shadow: string;
        };
    };
    toggleIcon: {
        color: string;
        hoverColor: string;
    };
    content: {
        padding: string;
    };
};