import { LitElement } from 'lit';
import { SubjectError } from './subject-shared';
export declare class QxsScale extends LitElement {
    static styles: import("lit").CSSResult[];
    'order-index': number;
    'subject-prefix'?: string;
    title: string;
    'custom-id': string;
    'is-edit': boolean;
    'is-save': boolean;
    'is-set': boolean;
    'show-action': boolean;
    'show-add': boolean;
    'hide-add-rich-text': boolean;
    'show-rich-text': boolean;
    'show-delete-action': boolean;
    'show-save-action': boolean;
    sorting: boolean;
    'show-analysis': boolean;
    analysis: string;
    'rich-text-content': string;
    'exam-answer-relation-type': number;
    'upload-image': (file: File) => Promise<string>;
    get 'answer-list'(): any;
    set 'answer-list'(value: any);
    get 'scale-question-list'(): any;
    set 'scale-question-list'(value: any);
    get 'scale-questions'(): any;
    set 'scale-questions'(value: any);
    private _answers;
    private _scaleQuestions;
    private _rowTitle;
    private _title;
    private _analysis;
    private _showRichText;
    private _richText;
    'model-value': string;
    'use-model': boolean;
    private readonly TITLE_MAX;
    willUpdate(changed: Map<string, unknown>): void;
    private _syncProps;
    private _emit;
    private _onTitleInput;
    private _resolvedQuestions;
    private _resolvedAnswers;
    private _createAnswerCountError;
    toJSON(): Promise<any>;
    private _save;
    validate(): SubjectError[];
    private _renderPreview;
    private _renderEdit;
    private _renderSorting;
    render(): import("lit").TemplateResult<1>;
}
export declare function register(): void;