import type { Vec2 } from '../../math';
import type { AxisConfig, BarMode, BarSeries, Orientation } from '../core/types';
export type NumericBarSeries<Metadata = Record<string, unknown>> = Omit<BarSeries<Metadata>, `x`> & {
    x: readonly number[];
};
export declare function normalize_categorical<Metadata = Record<string, unknown>>(series: readonly BarSeries<Metadata>[], explicit_categories?: readonly string[]): {
    category_list: string[];
    internal_series: NumericBarSeries<Metadata>[];
};
export declare const on_secondary_value_axis: (srs: Pick<BarSeries, `x_axis` | `y_axis`>, orientation: Orientation) => boolean;
type RangeAxis = Pick<AxisConfig, `range` | `scale_type`>;
export interface BarAutoRangeOpts<Metadata = Record<string, unknown>> {
    visible_series: readonly NumericBarSeries<Metadata>[];
    mode: BarMode;
    orientation: Orientation;
    range_padding: number;
    category_count: number;
    axes: Record<`x` | `x2` | `y` | `y2`, RangeAxis>;
}
export declare function compute_bar_auto_ranges<Metadata = Record<string, unknown>>(opts: BarAutoRangeOpts<Metadata>): {
    x: Vec2;
    x2: Vec2;
    y: Vec2;
    y2: Vec2;
};
export declare function compute_stacked_offsets<Metadata = Record<string, unknown>>(internal_series: readonly NumericBarSeries<Metadata>[], mode: BarMode, orientation?: Orientation): number[][];
export interface GroupInfo {
    bar_series_count: number;
    bar_series_indices: number[];
}
export declare function compute_group_info<Metadata = Record<string, unknown>>(internal_series: readonly NumericBarSeries<Metadata>[], mode: BarMode): GroupInfo;
export {};