import type { ComputedVisualizationSettings } from "../../../../../visualizations/types";
import type { DatasetColumn, RawSeries } from "../../../../../../metabase-types/api";
import type { SankeyChartColumns, SankeyData } from "./types";
export declare const getSankeyChartColumns: <TColumn extends DatasetColumn>(columns: TColumn[], settings: Pick<ComputedVisualizationSettings, "sankey.source" | "sankey.target" | "sankey.value">) => SankeyChartColumns | null;
export declare const getSankeyData: (rawSeries: RawSeries, sankeyColumns: SankeyChartColumns) => SankeyData;
