import { DisplayStateConfigInterface } from '../_abstract/display-state-manager';
import type { HistogramBarData, Padding } from './types';
export declare const DEFAULT_PADDING: Padding;
export declare const defaultBarCount = 30;
export type HistogramConfigInterface = DisplayStateConfigInterface & {
    /**
     * Padding for the `Histogram` component.
     * Controls the spacing between the histogram and its container edges.
     * @default { top: 5, left: 5, bottom: 1, right: 5 }
     */
    padding?: Padding;
    /**
     * Minimum height for each bar in the `Histogram` component.
     * Ensures that even bars with zero or very small values are still visible.
     * Set in pixels.
     * @default 2
     */
    minBarHeight?: number;
    /**
     * Padding for the data selection brush.
     * Controls the spacing between the selection brush and the bars.
     * Set in pixels.
     * @default 8
     */
    selectionPadding?: number;
    /**
     * Radius of the data selection brush.
     * Controls the roundness of the selection brush corners.
     * Set in pixels.
     * @default 3
     */
    selectionRadius?: number;
    /**
     * Padding between each bar.
     * Controls the spacing between adjacent bars.
     * Set in percent of bar width from 0 (as 0% of the bar width) to 1 (as 100% of the bar width).
     * @default 0.1
     */
    barPadding?: number;
    /**
     * Corners roundness of each bar in the `Histogram`.
     * Controls the visual appearance of the bar corners.
     * Set in pixels.
     * @default 1
     */
    barRadius?: number;
    /**
     * Number of bars to be displayed in the `Histogram`.
     * Controls the granularity of the data visualization.
     * Ignored if `dataStep` is set.
     * @default 30
     */
    barCount?: number;
    /**
     * Margin between the top edge of the `Histogram` and the maximum height bar.
     * Controls the spacing between the highest bar and the top of the container.
     * Set in pixels.
     * @default 3
     */
    barTopMargin?: number;
    /**
     * Option to generate bars of a specified width in the X axis units.
     * Overrides `barCount` when set.
     * Useful for creating bars of consistent width across different data ranges.
     * @default undefined
     */
    dataStep?: number;
    /**
     * Determines whether or not the `Histogram` allows users to select bars using a selection brush control.
     * When true, users can drag to select a range of bars.
     * @default true
     */
    allowSelection?: boolean;
    /**
     * Stick selection brush coordinates to the bar edges.
     * When true, the selection brush will snap to the edges of bars.
     * @default true
     */
    stickySelection?: boolean;
    /**
     * Adjust the margin between the axis tick edge labels and the horizontal edges of the `Histogram` component bounding box.
     * Controls the spacing between the axis labels and the histogram edges.
     * Set in pixels.
     * @default 3
     */
    labelSideMargin?: number;
    /**
     * Function to format the axis tick edge labels in the Histogram component.
     * Allows for custom formatting of the numeric values displayed on the axis.
     * @param n - The numeric value to format
     * @returns The formatted string representation of the number
     */
    formatter?: (n: number) => string;
    /**
     * Callback for the range selection.
     * Provides current selection of `Histogram`.
     * @param selection - The current selection range as [start, end] numbers
     * @param isManuallySelected - Whether the selection was made by user interaction
     */
    onBrush?: (selection: [number, number] | undefined, isManuallySelected?: boolean) => void;
    /**
     * Callback that is called when a bar is hovered over.
     * Provides `BarData` for hovered bar: `rangeStart`, `rangeEnd` and `count` of records in this bar.
     * @param data - The data for the hovered bar
     */
    onBarHover?: (data: HistogramBarData) => void;
};
export declare const defaultHistogramConfig: HistogramConfigInterface;