import { ShowPositions } from "../_private/components/BarChart/helpers";
import { FormatValue } from "../_private/types";
import { Group, XAxisShowPosition, YAxisShowPosition } from "./index";
export declare const getFormatter: (formatter?: FormatValue | undefined) => FormatValue;
export declare const getAxisShowPositions: (x: XAxisShowPosition, y: YAxisShowPosition) => ShowPositions;
export declare const transformGroupsToCommonGroups: (groups: readonly Group[], colors: readonly [string, string]) => {
    name: string;
    total: number;
    columns: {
        total: number;
        sections: {
            color: string;
            value: number;
        }[];
    }[];
    reversedColumns: {
        total: number;
        sections: {
            color: string;
            value: number;
        }[];
    }[];
}[];