import type { BarMode, BarSeries, Orientation, ScaleType } 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 interface BarAutoRangeOpts<Metadata = Record<string, unknown>> {
    visible_series: readonly NumericBarSeries<Metadata>[];
    y1_series: readonly NumericBarSeries<Metadata>[];
    y2_series: readonly NumericBarSeries<Metadata>[];
    x2_series: readonly NumericBarSeries<Metadata>[];
    mode: BarMode;
    orientation: Orientation;
    range_padding: number;
    category_count: number;
    x_range: [number | null, number | null];
    x_scale_type: ScaleType;
    x_is_time: boolean;
    x2_range: [number | null, number | null];
    x2_scale_type: ScaleType;
    x2_is_time: boolean;
    y_range: [number | null, number | null];
    y_scale_type: ScaleType;
    y2_range: [number | null, number | null];
    y2_scale_type: ScaleType;
}
export declare function compute_bar_auto_ranges<Metadata = Record<string, unknown>>(opts: BarAutoRangeOpts<Metadata>): {
    x: number[];
    x2: number[];
    y: number[];
    y2: number[];
};
export declare function compute_stacked_offsets<Metadata = Record<string, unknown>>(internal_series: readonly NumericBarSeries<Metadata>[], mode: BarMode): 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;