import { Question } from "survey-core";
import { ICalculationResult } from "./visualizerBase";
import { HistogramModel } from "./histogram";
import { EditableSeriesListWidget } from "./utils/editableSeriesListWidget";
import { IAxisDescription } from "./axisDescription";
/**
 * Defines configuration options for a pivot chart series.
 *
 * Assign an array of `IPivotSeriesOptions` objects to the [`visualizer.series`](/dashboard/documentation/api-reference/IPivotVisualizerOptions#series) property to define chart series.
 *
 * [View Demo](/dashboard/examples/household-income-analysis-pivot-chart/ (linkStyle))
 * @since 3.0.0
 */
export interface IPivotSeriesOptions {
    /**
     * The data field whose values are aggregated and plotted on the Y axis. If not specified, the [`seriesField`](#seriesField) is used.
     * @since 3.0.0
     */
    valueField?: string;
    /**
     * The data field whose values define individual series and appear in the legend.
     * @since 3.0.0
     */
    seriesField?: string;
    /**
     * The aggregation function applied to [`valueField`](#valueField).
     *
     * Supported values:
     *
     * - `"count"` (default)
     * - `"sum"`
     * @since 3.0.0
     */
    aggregation?: "sum" | "count";
    /**
     * The Y axis to which this series is bound. Applies only when [`useSecondaryYAxis`](/dashboard/documentation/api-reference/IPivotVisualizerOptions#useSecondaryYAxis) is `true`.
     *
     * Supported values:
     *
     * - `"primary"`
     * - `"secondary"`
     * @since 3.0.0
     */
    yAxis?: "primary" | "secondary";
}
/**
 * Defines configuration options for a pivot chart visualizer.
 *
 * [View Demo](/dashboard/examples/household-income-analysis-pivot-chart/ (linkStyle))
 * @since 3.0.0
 */
export interface IPivotVisualizerOptions {
    /**
     * An array of survey questions available for use in the pivot chart.
     *
     * To populate this array, instantiate a [`SurveyModel`](https://surveyjs.io/form-library/documentation/api-reference/survey-data-model), call its [`getAllQuestions()`](https://surveyjs.io/form-library/documentation/api-reference/survey-data-model#getAllQuestions) method, optionally filter the result, and assign it to this property.
     *
     * [View Demo](/dashboard/examples/household-income-analysis-pivot-chart/ (linkStyle))
     * @since 3.0.0
     */
    questions?: Question[] | string[];
    /**
     * The data field whose values define categories on the X axis.
     * @since 3.0.0
     */
    categoryField?: string;
    /**
     * [Series definitions](/dashboard/documentation/api-reference/IPivotSeriesOptions) for the pivot chart.
     * @since 3.0.0
     */
    series?: IPivotSeriesOptions[];
    /**
     * The maximum number of series per axis.
     *
     * Default value: `undefined` (no limit)
     * @since 3.0.0
     */
    maxSeriesCount?: number;
    /**
     * Specifies whether to display a secondary Y axis.
     *
     * Default value: `false`
     *
     * If you enable this option, use the [`series[].yAxis`](/dashboard/documentation/api-reference/IPivotSeriesOptions#yAxis) property to assign individual series to the secondary axis.
     * @since 3.0.0
     */
    useSecondaryYAxis?: boolean;
}
export declare class PivotModel extends HistogramModel {
    questions: Array<Question>;
    private isRoot;
    private _pivotContinuousData;
    private axisXSelector;
    axisXQuestionName: string;
    private axisYSelectors;
    primaryYAxes: Array<IAxisDescription>;
    primaryYAxesSeriesListWidget: EditableSeriesListWidget;
    secondaryYAxes: Array<IAxisDescription>;
    secondaryYAxesSeriesListWidget: EditableSeriesListWidget;
    private _useSecondaryYAxis;
    private _savedSecondaryYAxes;
    private questionsY;
    private _questionDefinition;
    private _aggregations;
    get series(): IPivotSeriesOptions[];
    set series(seriesOptions: IPivotSeriesOptions[]);
    get categoryField(): string;
    set categoryField(fieldName: string);
    getState(): any;
    protected setStateCore(state: any): void;
    private applySeriesOptions;
    private getQuestionSeriesLabels;
    getChartAxisSetting(axisDescription: IAxisDescription, seriesLabels: Array<string>, opposite: boolean): {};
    private registerSideBarItems;
    constructor(questions: Array<Question>, data: Array<{
        [index: string]: any;
    }>, options?: IPivotVisualizerOptions, isRoot?: boolean, type?: string);
    private moveToolbarItemsToSidebar;
    get useSecondaryYAxis(): boolean;
    set useSecondaryYAxis(newValue: boolean);
    get yAxes(): Array<IAxisDescription>;
    get allowSecondaryAxis(): boolean;
    getYAxisInfo(): {}[];
    protected getName(): string;
    protected getTitle(question: Question): string;
    setAxisQuestions(...axisQuestionNames: string[]): void;
    protected setChartType(chartType: string): void;
    private isXYChart;
    private movePrimaryItemToSecondary;
    private moveSecondaryItemToPrimary;
    private setupPivot;
    protected getContinuousValues(): {
        original: any;
        continuous: number;
        row: any;
    }[];
    protected isSupportAnswersOrder(): boolean;
    getSeriesValues(): Array<string>;
    getSeriesLabels(): Array<string>;
    getSeriesValueIndexes(): {
        [index: string]: number;
    };
    updateStatisticsSeriesValue(statistics: Array<Array<number>>, dataRow: {
        [index: string]: any;
    }, valueIndex: number, seriesValueIndexes: {
        [index: string]: number;
    }): void;
    protected calculateAggregation(dataRow: any, series: IAxisDescription, currentValue: number): number;
    protected getCalculatedValuesCore(): ICalculationResult;
    protected renderToolbar(container: HTMLElement): void;
    render(targetElement: HTMLElement | string, isRoot?: boolean): void;
    protected renderBanner(container: HTMLElement): void;
}