/**
 * Resolves Infinity/-Infinity pixel values to just beyond the chart boundary so
 * the pill's rounded cap is clipped by the SVG viewport, producing a flat edge.
 * Finite pixel values are returned unchanged.
 * @param y - pixel position (may be Infinity/-Infinity for unbounded thresholds)
 * @param plotSize - length of the plot area in pixels
 */
export declare function resolveInfinitePixel(y: number, plotSize: number): number;