import { ColorToken } from '../../core/types/color-palette.js';
import { CategoricalBarData } from '../types/categorical-bar-chart-data.js';
import { CategoricalBarChartData } from '../types/categorical-bar-chart.js';
/**
 * Builds the categorical bar chart categories and returns the built categories, the chart unit and colors overrides.
 * Only categories with the same unit as the first series unit are considered.
 *
 * @param data - categorical chart data
 * @param isRelative - display values as relatives
 * @param isSequentialColor - either each bar has one color of the palette or they all share a single color
 */
export declare function buildCategories(data: CategoricalBarChartData[], isRelative: boolean): [CategoricalBarData[], string | undefined, Record<string, ColorToken>];