/**
 * Gets all deeply nested elements contained within the given element, flattened into a single
 * array. Shadow DOMs are traversed.
 *
 * Note that `<slot>` elements are included, as well as their nested elements (even if a slot filler
 * is provided by the parent) and the slot filler itself (if provided).
 *
 * Optionally define a second "depth" input to control how far nestings should be pursued. Omit
 * depth or set it to `undefined` or `0` to allow full depth search.
 *
 * @category Web : Elements
 * @category Package : @augment-vir/web
 * @package [`@augment-vir/web`](https://www.npmjs.com/package/@augment-vir/web)
 */
export declare function getNestedChildren(startingElement: Readonly<Element>, depth?: number | undefined): Element[];
/**
 * A tree of child elements.
 *
 * @category Web : Elements
 * @category Package : @augment-vir/web
 * @package [`@augment-vir/web`](https://www.npmjs.com/package/@augment-vir/web)
 */
export type ElementTree = {
    element: Element;
    children: ElementTree[];
};
/**
 * Gets all deeply nested elements contained within the given element in a tree. Shadow DOMs are
 * traversed.
 *
 * Note that `<slot>` elements are included, as well as their nested elements (even if a slot filler
 * is provided by the parent) and the slot filler itself (if provided).
 *
 * Optionally define a second "depth" input to control how far nestings should be pursued. Omit
 * depth or set it to `undefined` or `0` to allow full depth search.
 *
 * @category Web : Elements
 * @category Package : @augment-vir/web
 * @package [`@augment-vir/web`](https://www.npmjs.com/package/@augment-vir/web)
 */
export declare function getNestedChildrenTree(startingElement: Readonly<Element>, depth?: number | undefined): ElementTree;
/**
 * Gets an element's direct children. Includes slotted elements, direct `<slot>` children
 * themselves, and all direct children of a shadow DOM. Default `<slot>` children are not included
 * (since they're not "direct" children as they are nested under `<slot>`).
 *
 * Note that that slotted elements and light dom elements will always be shown above shadow dom
 * elements. Besides that, the order of children is preserved.
 *
 * @category Web : Elements
 * @category Package : @augment-vir/web
 * @package [`@augment-vir/web`](https://www.npmjs.com/package/@augment-vir/web)
 */
export declare function getDirectChildren(startingElement: Readonly<Element>): Element[];