import type { ChartExcelTableId } from "./chartExcelData.types.js";
export declare const DEFAULT_SHEET_NAMES: Record<ChartExcelTableId, string>;
/**
 * Makes a sheet name Excel accepts, and unique within the workbook.
 * Excel compares sheet names case-insensitively, so deduplication does too.
 */
export declare function sanitizeSheetName(name: string, used: Set<string>): string;