export declare const BorderRadiusSize: {
    readonly xs: "var(--neo-border-radius-xs, 0.25rem)";
    readonly sm: "var(--neo-border-radius-sm, 0.375rem)";
    readonly nm: "var(--neo-border-radius, 0.5rem)";
    readonly md: "var(--neo-border-radius-md, 0.75rem)";
    readonly lg: "var(--neo-border-radius-lg, 1rem)";
    readonly xl: "var(--neo-border-radius-xl, 1.5rem)";
    readonly xxl: "var(--neo-border-radius-xxl, 2rem)";
    readonly '3xl': "var(--neo-border-radius-3xl, 3rem)";
};
export type BorderRadiusSizes = keyof typeof BorderRadiusSize;
export type BorderRadiusInput = CSSStyleDeclaration['borderRadius'] | BorderRadiusSizes | boolean;
export declare function computeBorderRadius(rounded?: BorderRadiusInput): string | undefined;