export declare function focusRingBorderStyle(border: {
    color: string;
    width: number;
}): string;
export declare function focusRingStyle(opts: {
    base?: {
        bg: string;
    };
    border?: {
        color: string;
        width: number;
    };
    focusRing: {
        offset: number;
        width: number;
    };
}): string;
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