/**
 * Extracts a CSS variable from a Tailwind bg- class for SVG fill/stroke usage.
 * E.g., "bg-success-800" → "var(--color-success-800)"
 */
export declare const bgClassToCssVar: (bgClass: string) => string;
/**
 * Converts polar coordinates to Cartesian for SVG arc path calculations.
 * Angles are in degrees, with 0° at the top (12 o'clock position).
 */
export declare const polarToCartesian: (cx: number, cy: number, r: number, angleDeg: number) => {
    x: number;
    y: number;
};
/**
 * Generates an SVG filled arc (pie slice) path string.
 * Draws from the center outward, covering startAngle → endAngle (degrees).
 */
export declare const describeArc: (cx: number, cy: number, r: number, startAngle: number, endAngle: number) => string;
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