import { type WorkSpreadsheetChartSeries } from './work-types';
import { type SpreadsheetTrendlineFit } from './work-spreadsheet-trendlines';
interface SeriesTrendlineFit {
    sourceIndex: number;
    fit: SpreadsheetTrendlineFit;
}
export declare function spreadsheetSeriesTrendlineFits(series: WorkSpreadsheetChartSeries, xValues: readonly number[]): SeriesTrendlineFit[];
export declare function spreadsheetSeriesTrendlinesSvg(series: WorkSpreadsheetChartSeries, seriesIndex: number, xValues: readonly number[], position: (x: number, y: number) => readonly [number, number]): string;
export {};