import Router from "@koa/router";
import { Context } from "koa";
import { Field, FieldsetOutput } from "sealious";
import { FormField } from "../fields/field.js";
import { StructuredArray as StructuredArrayField } from "../fields/structured-array.js";
import { FormDataValue } from "../form-types.js";
import { FormControl, FormControlContext } from "./form-control.js";
import { FormFieldControl } from "./form-field-control.js";
export type UnboundControlStorage<F extends {
    new (...args: any): FormFieldControl;
} = {
    new (...args: any): FormFieldControl;
}> = [F, string, ConstructorParameters<F>];
export declare function UnboundControl<F extends {
    new (...args: any): FormFieldControl;
}>(controlClass: F, arbitrary_field_name: string, params: ConstructorParameters<F>["1"]): UnboundControlStorage;
export declare class StructuredArray<Subfields extends Record<string, Field<any>>> extends FormFieldControl {
    field: StructuredArrayField<Subfields>;
    item_controls: Array<FormControl | UnboundControlStorage>;
    constructor(field: StructuredArrayField<Subfields>, item_controls: Array<FormControl | UnboundControlStorage>);
    getFrameID(): string;
    getInnerFormID(): string;
    getActionURL(form_id?: string, action?: Record<string, unknown>): string;
    getDefaultItemBody(): Promise<{}>;
    makeSubfield(_field_name: string): FormField;
    renderItemControl(ctx: Context, form_id: string, control: FormControl | UnboundControlStorage, item: FieldsetOutput<Subfields>, index: number): Promise<(string | number | import("stream").Readable | null) | (string | number | import("stream").Readable | null)[] | Promise<string | number | import("stream").Readable | null>[]>;
    renderItem(ctx: Context, form_id: string, item: FieldsetOutput<Subfields>, index: number): Promise<string>;
    getItems(ctx: Context, raw_values: Record<string, FormDataValue>): Promise<FieldsetOutput<Subfields>[]>;
    _render(ctx: Context, form_id: string, raw_values: Record<string, FormDataValue>): Promise<string>;
    render(fctx: FormControlContext): Promise<string>;
    getTargetItemID(ctx: Context): Promise<string>;
    mount(router: Router): void;
}