export interface Type_StatSlice {
    id: string;
    label: string;
    value: number;
    color?: string;
}
export interface Type_ChartOptions {
    format?: (value: number) => string;
    others_label?: string;
    empty_label?: string;
    truncated_label?: (count: number) => string;
    scale_mode?: Type_ScaleMode;
    out_of_scale_label?: (count: number) => string;
    independent_scales_label?: string;
}
export type Type_ScaleMode = 'auto' | 'shared' | 'per_group';
export declare const visibilityLift: (bar_px: number, floor_px?: number) => number;
export declare const resolveScaleMode: (band_maxima: number[], height: number, requested?: Type_ScaleMode) => "shared" | "per_group";
export declare const countLifted: (bar_pixels: number[], floor_px?: number) => number;
export declare const drawDonutChart: (container: HTMLElement, slices: Type_StatSlice[], opts?: Type_ChartOptions) => void;
export declare const drawBarChart: (container: HTMLElement, slices: Type_StatSlice[], opts?: Type_ChartOptions) => void;
export interface Type_StatSeries {
    id: string;
    label: string;
    parts: Type_StatSlice[];
    color?: string;
}
export declare const drawStackedBarChart: (container: HTMLElement, series: Type_StatSeries[], opts?: Type_ChartOptions) => void;
export interface Type_StatGroup {
    id: string;
    label: string;
    series: Type_StatSeries[];
}
export declare const drawGroupedBarChart: (container: HTMLElement, groups: Type_StatGroup[], opts?: Type_ChartOptions) => void;
export interface Type_NodeChartGeom {
    width: number;
    height: number;
    ox?: number;
    oy?: number;
}
export declare const drawNodeDonutOnGroup: (group_el: SVGGElement, parts: Type_StatSlice[], geom: Type_NodeChartGeom) => boolean;
export declare const drawNodeBarsOnGroup: (group_el: SVGGElement, series: Type_StatSeries[], geom: Type_NodeChartGeom) => boolean;
export declare const drawNodeGroupedBarsOnGroup: (group_el: SVGGElement, groups: Type_StatGroup[], geom: Type_NodeChartGeom) => boolean;