import { GroupItem } from "../CoreBarChart/CoreBarChartGroup/CoreBarChartGroup";
import { Group } from "./StackedBarChart";
export declare const transformGroupsToCommonGroups: (groups: ReadonlyArray<Group | undefined | null>) => {
    name: string;
    total: number;
    columns: ({
        total: number;
        sections: undefined;
    } | {
        total: number;
        sections: {
            color: string;
            value: number;
        }[];
    })[];
    reversedColumns: ({
        total: number;
        sections: undefined;
    } | {
        total: number;
        sections: {
            color: string;
            value: number;
        }[];
    })[];
}[];
export declare const getColumnsLengthArray: (groupsItem: GroupItem[]) => number[];
export declare const getMaxNumberGroupsArray: (groupsItem: GroupItem[]) => number[];