export declare function addClass(dom: Element, ...className: Array<string>): void;
export declare function getEndOffset(dom: Node | null): number;
export declare function getFirstDeepChild(dom: Node | null): Node | null;
export declare function getIndex(dom: Node | null): number;
export declare function getLastDeepChild(dom: Node | null): Node | null;
export declare function hasClass(dom: Node | null, className: string): boolean;
export declare function isEqual(domA: Node, domB: Node): boolean;
export declare function isTag(dom: Node, ...tagNames: Array<string>): boolean;
export declare function isVisible(target: HTMLElement): boolean;
export declare function nextDeepChild(dom: Node | null, end?: Node | null): Node | null;
export declare function prevDeepChild(dom: Node | null, end?: Node | null): Node | null;
export declare function removeClass(dom: Element, ...className: Array<string>): void;
export declare function removeClassByReg(dom: Element, reg: RegExp): void;
export declare function splitTextNode(node: Text, index: number): boolean;
export declare function isChildNode(parent: Node, child: Node): boolean;
export declare function nodeInRange(node: Node, range: Range): boolean;
export declare function filterForHtmlToText(text: string): string;
export interface TextToHtmlSpaceOptions {
    first: boolean;
    last: boolean;
}
export declare function filterForTextToHtml(text: string, options: TextToHtmlSpaceOptions): string;
export declare function isNodeBefore(node1: Node, node2: Node): boolean;
export declare function moveCaretToLineEnd(): void;
export declare function getNearestElement<T>(elements: T[], x: number, y: number): T;
export declare function getScrollContainer(element: HTMLElement): HTMLElement;
export declare function getScrollContainerRect(scrollContainer: HTMLElement): DOMRect;
export declare function isPointNearbyElementLeft(element: HTMLElement, x: number, y: number): boolean;
export declare function scrollIntoView(dom: Element, scrollIntoViewIfNeeded: boolean | undefined, options?: any): void;
export declare function createElement<K extends keyof HTMLElementTagNameMap>(tagName: K, classes: string[], parent: HTMLElement | DocumentFragment | null, innerText?: string): HTMLElementTagNameMap[K];
export declare function createCheckbox(classes: string[], parent: HTMLElement | null, label: string, labelClasses: string[]): HTMLInputElement;
export declare function createIconButton(svg: string, classes: string[], parent: HTMLElement | null): HTMLButtonElement;
export declare function createButton(text: string, classes: string[], parent: HTMLElement | null): HTMLButtonElement;
export declare function loadJsPromise(url: string, id: string): Promise<void>;
export declare function loadCssPromise(url: string, id: string): Promise<void>;
export declare function stringToDataUrl(data: string, type: string): Promise<string>;
export declare function fileToDataUrl(file: File): Promise<string>;
export declare function fixContainerForFullscreen(container: HTMLElement): HTMLElement;
export declare function isMouseInPopoverTarget(event: MouseEvent, popoverTarget: HTMLElement | undefined, xSpace: number, ySpace: number): boolean;
export declare function animatedScrollTo(element: HTMLElement, to: number, duration?: number): Promise<unknown>;
export declare function isDarkMode(): boolean;
export declare function getElementTop(el: HTMLElement, target?: HTMLElement): number;
export declare function createStyle(cssText: string, id: string): HTMLElement;
export declare function inlineImage(root: HTMLElement): Promise<void>;
export declare function getRangeRect(range: Range, options?: {
    onlyCollapsed?: boolean;
}): DOMRect | null;
export declare function getDomRect(dom: Element): DOMRect;
export declare function getElementByClass(parent: HTMLElement, className: string, tag?: string, bindEvent?: {
    [K in keyof HTMLElementEventMap]?: (this: HTMLElement, ev: HTMLElementEventMap[K]) => void;
}): HTMLElement;
export declare function imageToFile(image: HTMLImageElement): Promise<File | null>;
export declare function caretPositionFromPoint(x: number, y: number): {
    node: Node;
    offset: number;
};
export declare function getClosestElement(node: Node): Element | null;
export declare function requestFullscreen(elem: Element): Promise<unknown>;
export declare function exitFullscreen(): Promise<unknown>;