export type RadialBarDatum<Datum> = {
    datum: Datum;
    /** Original datum index as in unfiltered data */
    index: number;
};
/** Data type for the Radial Bar Arc Generator */
export interface RadialBarArcDatum<Datum> {
    data: Datum;
    /** Original datum index as in unfiltered data */
    index: number;
    /** Index of the ring counted from the outermost (`0` = outermost). */
    ringIndex: number;
    /** Resolved value. `null` when the `value` accessor returned `null`, `undefined` or a non-finite number */
    value: number | null;
    startAngle: number;
    endAngle: number;
    innerRadius: number;
    outerRadius: number;
    padAngle: number;
}
export type RadialBarArcAnimState = {
    startAngle: number;
    endAngle: number;
    innerRadius: number;
    outerRadius: number;
    padAngle?: number;
};