import { IQuestion, ItemValue, QuestionRankingModel } from 'survey-core';
import { SurveyPDF } from '../survey';
import { IPoint, DocController } from '../doc_controller';
import { FlatQuestion } from './flat_question';
import { IPdfBrick } from '../pdf_render/pdf_brick';
export declare class FlatRanking extends FlatQuestion {
    protected survey: SurveyPDF;
    protected controller: DocController;
    protected question: QuestionRankingModel;
    constructor(survey: SurveyPDF, question: IQuestion, controller: DocController);
    protected generateFlatComposite(point: IPoint, item: ItemValue, index: number, unrankedItem?: boolean): Promise<IPdfBrick>;
    generateChoicesColumn(point: IPoint, choices: ItemValue[], unrankedChoices?: boolean): Promise<IPdfBrick[]>;
    generateSelectToRankItemsVertically(point: IPoint): Promise<IPdfBrick[]>;
    generateSelectToRankItemsHorizontally(point: IPoint): Promise<IPdfBrick[]>;
    generateFlatsContent(point: IPoint): Promise<IPdfBrick[]>;
}