import { IQuestion, ItemValue, QuestionBooleanModel } 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';
import { FlatRadiogroup } from './flat_radiogroup';
export declare class FlatBooleanCheckbox extends FlatQuestion {
    protected survey: SurveyPDF;
    protected controller: DocController;
    protected question: QuestionBooleanModel;
    constructor(survey: SurveyPDF, question: IQuestion, controller: DocController);
    generateFlatsContent(point: IPoint): Promise<IPdfBrick[]>;
}
export declare class FlatBoolean extends FlatRadiogroup {
    protected survey: SurveyPDF;
    protected controller: DocController;
    private items;
    constructor(survey: SurveyPDF, question: IQuestion, controller: DocController);
    private buildItems;
    protected getVisibleChoices(): Array<ItemValue>;
    protected getColCount(): number;
}