import { PdfFormField } from './pdf-form-field.js';
import { PdfString } from '../../core/objects/pdf-string.js';
import type { PdfAcroForm } from '../pdf-acro-form.js';
import type { PdfIndirectObject } from '../../core/objects/pdf-indirect-object.js';
/**
 * Button form field subtype (checkboxes, radio buttons, push buttons).
 */
export declare class PdfButtonFormField extends PdfFormField {
    constructor(other?: PdfIndirectObject | {
        form?: PdfAcroForm;
    });
    private initWidget;
    set isWidget(val: boolean);
    get isGroup(): boolean;
    get value(): string;
    set value(val: string | PdfString);
    get checked(): boolean;
    set checked(isChecked: boolean);
    generateAppearance(options?: {
        makeReadOnly?: boolean;
        onStateName?: string;
    }): boolean;
}