import Router from "@koa/router";
import { Context } from "koa";
import { ParsedUrlQuery } from "querystring";
import { FlatTemplatable } from "tempstream";
import { FormField } from "../fields/field.js";
import { Derived } from "./derived.js";
import { FormControlContext } from "./form-control.js";
export declare class DerivedFrame extends Derived<{
    frame_id: string;
    form_id: string;
    field_name_prefix: string;
}> {
    frame_name: string;
    generateFrameContent: (ctx: FormControlContext, args: ParsedUrlQuery) => Promise<FlatTemplatable>;
    frame_id: string;
    constructor(frame_name: string, fields: FormField[], generateFrameContent: (ctx: FormControlContext, args: ParsedUrlQuery) => Promise<FlatTemplatable>, frame_id?: string);
    renderBackendResponseFrame(_ctx: Context, content: FlatTemplatable): string | Promise<string>;
    mount(router: Router): void;
}