import { Context } from "koa";
import { FormField } from "../fields/field.js";
import { FormDataValue } from "../form-types.js";
import { Tickable } from "./tickable.js";
export declare class Radio extends Tickable<string> {
    field: FormField<boolean, string>;
    value: string;
    type: "radio";
    constructor(field: FormField<boolean, string>, value: string, options: {
        label?: string;
    });
    makeInputID(): string;
    getValueAttribute(): string;
    getWrapperClasses(ctx: Context, data: Record<string, FormDataValue>, value: string): string[];
    isChecked(_ctx: Context, _data: Record<string, FormDataValue>, value: string): boolean;
}