/**
 * Utility type for a nullable child node.
 *
 * Used in return values of DOM node component methods.
 */
export type MaybeChildNode = ChildNode | null;
/**
 * The base class for DOM node components.
 *
 * Defines the common methods for DOM node components.
 */
export declare abstract class DOMNodeComponent<N extends Node = Node> {
    node: N;
    /**
     * @param node The DOM node of this component.
     */
    constructor(node: N);
    /**
     * In this method, the component should update the DOM node to reflect the current state.
     *
     * This method is called by the node's parent DOM component
     *  after `UPDATE` call of the app main function.
     *
     * 1. DOM tree structure should be updated.
     * 2. Class names and styles should be updated.
     *
     * @returns The last updated **child** node. If no child node is updated, returns `null`.
     */
    abstract updateDOM(): MaybeChildNode;
    /**
     * The node for the parent DOM element to manage.
     */
    get asChildNode(): MaybeChildNode;
    /**
     * Insert the DOM node after the given element.
     *
     * @param node The element to insert after.
     */
    insertAfter(node: ChildNode): void;
    /**
     * Prepend the DOM node to the parent DOM element.
     *
     * @param parent The parent DOM element to prepend to.
     */
    prependTo(parent: Element): void;
    /**
     * Remove the DOM node from its parent.
     *
     * @param parent The parent DOM element to remove from.
     */
    removeFrom(parent: Element): void;
}
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