export declare const getClassNames: () => import("@fluentui/merge-styles").IProcessedStyleSet<{
    topStripeButton: {
        fontFamily: string;
        fontSize: string;
        background: string;
        border: string;
        color: string;
        transition: string;
        textDecoration: string;
        textAlign: string;
        padding: string;
        margin: number;
        whiteSpace: string;
        selectors: {
            ':hover, :focus': {
                backgroundColor: string;
                color: string;
                transition: string;
                outline: string;
            };
        };
    };
}>;