export declare const PanelTheme: {
    root: {
        background: string;
        borderColor: string;
        color: string;
        borderRadius: string;
    };
    header: {
        background: string;
        color: string;
        padding: string;
        borderColor: string;
        borderWidth: string;
        borderRadius: string;
    };
    toggleableHeader: {
        padding: string;
    };
    title: {
        fontWeight: string;
    };
    content: {
        padding: string;
    };
    footer: {
        padding: string;
    };
};