import { PanelModel } from 'survey-core';
import { SurveyPDF } from '../survey';
import { IPoint, DocController } from '../doc_controller';
import { IPdfBrick } from '../pdf_render/pdf_brick';
export declare class FlatSurvey {
    static QUES_GAP_VERT_SCALE: number;
    static PANEL_CONT_GAP_SCALE: number;
    static PANEL_DESC_GAP_SCALE: number;
    static generateFlatsPanel(survey: SurveyPDF, controller: DocController, panel: PanelModel, point: IPoint): Promise<IPdfBrick[]>;
    private static generateFlatsPagePanel;
    private static popRowlines;
    private static generateFlatTitle;
    private static generateFlatLogoImage;
    static generateFlats(survey: SurveyPDF, controller: DocController): Promise<IPdfBrick[][]>;
}