import { ComponentConfigInterface } from '../../core/component/config';
import { ColorAccessor, NumericAccessor } from '../../types/accessor';

export interface RadialBarConfigInterface<Datum> extends ComponentConfigInterface {
    /** Accessor function for getting the unique data record id. Used for more persistent data updates. Default: `(d, i) => d.id ?? i` */
    id?: ((d: Datum, i: number, ...any: unknown[]) => string | number);
    /** Value accessor function. Returning `null` or `undefined` marks the value as missing,
     * and the corresponding bar will not be rendered. Default: `undefined`
     */
    value: NumericAccessor<Datum>;
    /** Maximum value accessor or an array of maximums (indexed by each datum's original position in `data` before sorting).
     * Used to scale each bar's arc length: each bar fills `(value / maxValue) * (angleRange[1] - angleRange[0])`.
     * When `undefined`, the maximum is derived from the data. Default: `undefined`
     */
    maxValue?: NumericAccessor<Datum> | number[];
    /** Diagram angle range. Default: `[0, 2 * Math.PI]` */
    angleRange?: [number, number];
    /** Pad angle in radians applied between the bar and its end. Default: `0` */
    padAngle?: number;
    /** Minimum bar angle in radians. Bars with small values, `0` included, will be extended to that angle,
     * so that they remain visible. The value is clamped to the length of `angleRange`.
     * Bars with missing values (see `value`) are not affected: they're never rendered.
     * Set it to `0` to disable. Default: `0.01` (about 1 pixel wide on a ring of a 100 pixel radius)
     */
    barMinAngle?: number;
    /** Custom sort function. Default: `undefined` */
    sortFunction?: (a: Datum, b: Datum) => number;
    /** Corner Radius. Default: `0` */
    cornerRadius?: number;
    /** Color accessor function. Default: `undefined` */
    color?: ColorAccessor<Datum>;
    /** Explicitly set the outer radius of the outermost ring. Default: `undefined` */
    radius?: number;
    /** Width of each ring (track) in pixels. Default: `16` */
    trackWidth?: number;
    /** Gap between rings in pixels. Default: `4` */
    trackPadding?: number;
    /** When `true`, `data[0]` is the innermost ring instead of the outermost. Default: `false` */
    reverseOrder?: boolean;
    /** Central label text. Default: `undefined` */
    centralLabel?: string;
    /** Central sub-label text. Default: `undefined` */
    centralSubLabel?: string;
    /** Enables wrapping for the sub-label. Default: `true` */
    centralSubLabelWrap?: boolean;
    /** Central label and sub-label horizontal offset in pixels. Default: `undefined` */
    centralLabelOffsetX?: number;
    /** Central label and sub-label vertical offset in pixels. Default: `undefined` */
    centralLabelOffsetY?: number;
    /** Show a faded background track for each ring. The color is configurable via
     * the `--vis-radial-bar-background-color` and `--vis-dark-radial-bar-background-color` CSS variables.
     * Default: `true`
     */
    showBackground?: boolean;
    /** Background angle range. When `undefined`, the value will be taken from `angleRange`. Default: `undefined` */
    backgroundAngleRange?: [number, number];
}
export declare const RadialBarDefaultConfig: RadialBarConfigInterface<unknown>;