import type { ChartExcelExtractor } from "./types.mjs";
/**
 * Pie slices carry their own id and label, so the label is the category. Arc geometry
 * (start, end and pad angles) is layout, not data, and is excluded. Visibility is per
 * item here rather than per series, since a legend click hides one slice.
 */
export declare const pieExtractor: ChartExcelExtractor<'pie'>;