import { XYComponentConfigInterface } from '../../core/xy-component/config';
import { ColorAccessor, GenericAccessor, StringAccessor } from '../../types/accessor';
import { FillPatternType } from '../../styles/patterns';
import { Orientation } from '../../types/position';
import { StyleDeclaration } from '../../types/style';

export interface GroupedBarConfigInterface<Datum> extends XYComponentConfigInterface<Datum> {
    /** Bar color accessor function. Default: `d => d.color` */
    color?: ColorAccessor<Datum>;
    /** Bar fill pattern accessor. Resolves to a `FillPatternType`. Default: `undefined` */
    pattern?: GenericAccessor<FillPatternType, Datum>;
    /** Per-bar inline styles accessor, called with the datum and the bar's index within the group.
     * The returned object is applied as inline styles, with camelCase keys converted to kebab-case.
     * Keys the component manages itself (`fill`, `cursor`, `mask`) take precedence over their
     * defaults (e.g. the `color` accessor) and stay animated; all other keys are applied
     * instantly. Keys no longer returned are cleaned up on the next render. Default: `undefined` */
    barStyle?: GenericAccessor<StyleDeclaration, Datum>;
    /** Force set the group width in pixels. Default: `undefined` */
    groupWidth?: number;
    /** Maximum group width for dynamic sizing. Limits the groupWidth property from the top. Default: `undefined` */
    groupMaxWidth?: number;
    /** Expected step between the bar groups in the X axis units.
     * Needed to correctly calculate the width of the bar groups when there are gaps in the data.
     * Default: `undefined` */
    dataStep?: number;
    /** Fractional padding between the groups in the range of [0,1). Default: `0.05` */
    groupPadding?: number;
    /** Fractional padding between the bars in the range of [0,1). Default: `0` */
    barPadding?: number;
    /** Rounded bar corners. Boolean or number (to set the radius in pixels explicitly). Default: `2` */
    roundedCorners?: number | boolean;
    /** Sets the minimum bar height for better visibility of small values. Default: `1` */
    barMinHeight?: number;
    /** Configurable bar cursor when hovering over. Default: `null` */
    cursor?: StringAccessor<Datum>;
    /** Chart orientation: `Orientation.Vertical` or `Orientation.Horizontal`. Default `Orientation.Vertical` */
    orientation?: Orientation | string;
}
export declare const GroupedBarDefaultConfig: GroupedBarConfigInterface<unknown>;