import { BooleanInput } from '@angular/cdk/coercion';
import { ElementRef, NgZone, OnDestroy, QueryList } from '@angular/core';
import { CanDestroyNotify } from '@mtna/core-angular';
import { Variable as ConsumerVariable } from '@mtna/pojo-consumer-ts';
import { Variable as ManagementVariable } from '@mtna/pojo-management-ts';
import { AmChartsFrequencySetData } from '@rds/rds-base-ts';
import * as i0 from "@angular/core";
declare const RdsVariableStatsBase: import("@mtna/core-angular").CanDestroyNotifyCtor & {
    new (): {};
};
/**
 * Display variable statistics from the `summaryStatistics` and `frequencies`.
 *
 * Note: the heading levels start at `<h3>`, so there is an assumption an h1 and h2 preceeds this component.
 *
 * @author Will Davis <will.davis@mtna.us>
 */
export declare class RdsVariableStatsComponent<V extends ConsumerVariable | ManagementVariable> extends RdsVariableStatsBase implements CanDestroyNotify, OnDestroy {
    private zone;
    static ngAcceptInputType_loadingFrequencyChart: BooleanInput;
    /** The element to render the frequency chart in. */
    frequencyChartElements: QueryList<ElementRef> | undefined;
    /** The element to render the populated and missing chart in. */
    populatedAndMissingChartElements: QueryList<ElementRef> | undefined;
    /** Whether the frequency chart is loading. */
    get loadingFrequencyChart(): boolean;
    set loadingFrequencyChart(value: boolean);
    private _loadingFrequencyChart;
    /** The chart data required to render the frequencies visualization. */
    get frequencyChartData(): AmChartsFrequencySetData | null | undefined;
    set frequencyChartData(data: AmChartsFrequencySetData | null | undefined);
    private _frequencyChartData;
    /** The variable to display statistics for. */
    get variable(): V | null | undefined;
    set variable(v: V | null | undefined);
    private _variable;
    /** Chart data for the populated and missing chart. */
    _populatedAndMissingChartData: AmChartsFrequencySetData | undefined;
    /** Whether the variable distribution component should be shown. */
    _showDistribution: boolean;
    /** The reference to the amchart displaying the frequency data. */
    private _frequencyChart;
    /** The reference to the amchart displaying the populated and missing data. */
    private _populatingAndMissingChart;
    constructor(zone: NgZone);
    ngOnDestroy(): void;
    private _checkAndCreateFrequencyChart;
    private _checkAndCreatePopulatedAndMissingChart;
    /** Dispose the AmChart frequency visuzalization. */
    private _cleanupChart;
    /**
     * Determine whether to show the variable distribution component.
     *
     * There are two requirements:
     * - Cannot be a classified variable
     * - The min cannot equal the max (it's a meaningless visualization in this case)
     */
    private _determineVariableDistributionVisibility;
    private _generateFrequencyChart;
    /** Generate the chart config to show the summary statistic's `populated` and `missing` values. */
    private _generatePopulatedAndMissingChart;
    static ɵfac: i0.ɵɵFactoryDeclaration<RdsVariableStatsComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RdsVariableStatsComponent<any>, "rds-c-variable-stats", never, { "loadingFrequencyChart": "loadingFrequencyChart"; "frequencyChartData": "frequencyChartData"; "variable": "variable"; }, {}, never, never>;
}
export {};