import { Signal } from '../../signal';
import { ForControlFlow } from '../../../symbols';
import { KeyBuilder } from '../../../common/key-builder/key-builder';
import { RenderFunction } from '../../dom-render/render';
import { VirtualElement, Renderable } from '../../../types';

type ForFactory<T = unknown> = {
    item$: Signal<T>;
    item: T;
    index: number;
    list: T[];
};
type ForProps<T = unknown> = {
    factory: (args: ForFactory<T>) => Renderable;
    list: Signal<Array<T>>;
    index?: string | ((item: T, i: number) => string);
    memo?: boolean;
    empty?: Renderable;
};
declare function For<T = unknown>(props: ForProps<T>): VirtualElement;
declare namespace For {
    var $$type: typeof ForControlFlow;
}
declare function renderFor(element: VirtualElement, container: HTMLElement, render: RenderFunction, key: KeyBuilder): HTMLElement | Text;
export type { ForProps, ForFactory };
export { For, renderFor };