import { ItemValue, QuestionMatrixDropdownModel, Question } from "survey-core";
import { SelectBase } from "./selectBase";
import { ICalculationResult } from "./visualizerBase";
export declare class MatrixDropdownGrouped extends SelectBase {
    constructor(question: Question, data: Array<{
        [index: string]: any;
    }>, options?: Object, type?: string);
    protected get matrixQuestion(): QuestionMatrixDropdownModel;
    get dataNames(): Array<string>;
    getSeriesValues(): Array<string>;
    getSeriesLabels(): Array<string>;
    valuesSource(): Array<ItemValue>;
    protected isSupportMissingAnswers(): boolean;
    protected getCalculatedValuesCore(): ICalculationResult;
}