import * as i0 from '@angular/core';
import { OnChanges, Type } from '@angular/core';
import { TdChartSeriesBarComponent, ITdBarSeries } from '@covalent/echarts/bar';

type TdHistogramBinningMethod = 'squareRoot' | 'scott' | 'freedmanDiaconis' | 'sturges';
interface ITdHistogramSeries extends ITdBarSeries {
    data?: number[] | number[][];
    method?: TdHistogramBinningMethod;
}
declare class TdChartSeriesHistogramComponent extends TdChartSeriesBarComponent implements ITdHistogramSeries, OnChanges {
    source?: number[] | number[][];
    method?: TdHistogramBinningMethod;
    ngOnChanges(): void;
    getConfig(): any;
    private setOptions;
    static ɵfac: i0.ɵɵFactoryDeclaration<TdChartSeriesHistogramComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TdChartSeriesHistogramComponent, "td-chart-series[td-histogram]", never, { "config": { "alias": "config"; "required": false; }; "id": { "alias": "id"; "required": false; }; "name": { "alias": "name"; "required": false; }; "color": { "alias": "color"; "required": false; }; "data": { "alias": "data"; "required": false; }; "animation": { "alias": "animation"; "required": false; }; "animationThreshold": { "alias": "animationThreshold"; "required": false; }; "animationDuration": { "alias": "animationDuration"; "required": false; }; "animationEasing": { "alias": "animationEasing"; "required": false; }; "animationDelay": { "alias": "animationDelay"; "required": false; }; "animationDurationUpdate": { "alias": "animationDurationUpdate"; "required": false; }; "animationEasingUpdate": { "alias": "animationEasingUpdate"; "required": false; }; "animationDelayUpdate": { "alias": "animationDelayUpdate"; "required": false; }; "tooltip": { "alias": "tooltip"; "required": false; }; "source": { "alias": "source"; "required": false; }; "method": { "alias": "method"; "required": false; }; }, {}, never, never, true, never>;
}

declare const HISTOGRAM_MODULE_COMPONENTS: Type<any>[];
/**
 * @deprecated This module is deprecated and will be removed in future versions.
 * Please migrate to using standalone components as soon as possible.
 */
declare class CovalentHistogramEchartsModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<CovalentHistogramEchartsModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<CovalentHistogramEchartsModule, never, [typeof TdChartSeriesHistogramComponent], [typeof TdChartSeriesHistogramComponent]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<CovalentHistogramEchartsModule>;
}

export { CovalentHistogramEchartsModule, HISTOGRAM_MODULE_COMPONENTS, TdChartSeriesHistogramComponent };
export type { ITdHistogramSeries, TdHistogramBinningMethod };