import { ChartCtrParams, MarginCtrParams } from '../types';
import Axis from '../Base/axis';
import Data from '../Base/data';
import BarChartStyle from './style';
/**
 * Class representing a Bar Chart
 */
export declare class BarChart {
    private elementId;
    private element;
    private dims;
    private margin;
    private toolTip;
    private useToolTip;
    private animators;
    data: Data;
    fields: any;
    private _xField;
    private _yField;
    xAxis: Axis;
    yAxis: Axis;
    style: BarChartStyle;
    private barSelectionIdentifier;
    /**
     * Constructs a new bar chart instance
     * ```ts
     * const data = [{ x: 'US', y: 12394 }, ... ]
     * const barchart = new AchoViz.BarChart({ elementId: '#barchart', data });
     * ```
     * @param params - constructor params
     * @returns instance of a BarChart
     */
    constructor(params?: ChartCtrParams);
    /**
     * Handles drawing, mounting, and ultimately rendering the chart
     */
    render(): void;
    /**
     * Draws the x axis
     */
    private _drawXAxis;
    /**
     * Draws the y axis
     */
    private _drawYAxis;
    /**
     * Draws the bars with respect to data provided to the instance
     */
    private _drawBars;
    /**
     * Event handler triggered when mouse is detected over a bar
     * @param e
     * @returns
     */
    private _onOverBar;
    /**
     * Event handler triggered when mouse has left the bar
     * @param e
     * @returns
     */
    private _onLeaveBar;
    /**
     * Event handler triggered when mouse moves to another bar
     * @param e
     * @returns
     */
    private _onMoveBar;
    /**
     * Sets the instance's margin properties
     * @param value
     */
    setMargin(value: number | MarginCtrParams): void;
    /**
     * Automatically configures the axis scales, domain, and ranges
     */
    private _useAutoAxis;
    /**
     * Hook to automatically configure the chart's tool tip instance
     * @returns
     */
    private _useTipConfig;
    /**
     * Hook to automatically register bar related mouse events
     */
    private _useInteractions;
}