/**
 * @module ol/dom
 */
/**
 * Create an html canvas element and returns its 2d context.
 * @param {number} [width] Canvas width.
 * @param {number} [height] Canvas height.
 * @param {Array<HTMLCanvasElement>} [canvasPool] Canvas pool to take existing canvas from.
 * @param {CanvasRenderingContext2DSettings} [settings] CanvasRenderingContext2DSettings
 * @return {CanvasRenderingContext2D} The context.
 */
export function createCanvasContext2D(width?: number | undefined, height?: number | undefined, canvasPool?: HTMLCanvasElement[] | undefined, settings?: CanvasRenderingContext2DSettings | undefined): CanvasRenderingContext2D;
/**
 * @return {CanvasRenderingContext2D} Shared canvas context.
 */
export function getSharedCanvasContext2D(): CanvasRenderingContext2D;
/**
 * Releases canvas memory to avoid exceeding memory limits in Safari.
 * See https://pqina.nl/blog/total-canvas-memory-use-exceeds-the-maximum-limit/
 * @param {CanvasRenderingContext2D} context Context.
 */
export function releaseCanvas(context: CanvasRenderingContext2D): void;
/**
 * Get the current computed width for the given element including margin,
 * padding and border.
 * Equivalent to jQuery's `$(el).outerWidth(true)`.
 * @param {!HTMLElement} element Element.
 * @return {number} The width.
 */
export function outerWidth(element: HTMLElement): number;
/**
 * Get the current computed height for the given element including margin,
 * padding and border.
 * Equivalent to jQuery's `$(el).outerHeight(true)`.
 * @param {!HTMLElement} element Element.
 * @return {number} The height.
 */
export function outerHeight(element: HTMLElement): number;
/**
 * @param {Node} newNode Node to replace old node
 * @param {Node} oldNode The node to be replaced
 */
export function replaceNode(newNode: Node, oldNode: Node): void;
/**
 * @param {Node} node The node to remove.
 * @return {Node|null} The node that was removed or null.
 */
export function removeNode(node: Node): Node | null;
/**
 * @param {Node} node The node to remove the children from.
 */
export function removeChildren(node: Node): void;
/**
 * Transform the children of a parent node so they match the
 * provided list of children.  This function aims to efficiently
 * remove, add, and reorder child nodes while maintaining a simple
 * implementation (it is not guaranteed to minimize DOM operations).
 * @param {Node} node The parent node whose children need reworking.
 * @param {Array<Node>} children The desired children.
 */
export function replaceChildren(node: Node, children: Array<Node>): void;
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