import App from '../index.js';
export default abstract class Observer {
    protected readonly app: App;
    protected readonly isTopContext: boolean;
    private readonly observer;
    private readonly commited;
    private readonly recents;
    private readonly indexes;
    private readonly attributesMap;
    private readonly textSet;
    private readonly disableSprites;
    /**
     * this option means that, instead of using link element with href to load css,
     * we will try to parse the css text instead and send it as css rules set
     * can (and will) affect performance
     *
     * - false: never inline CSS
     * - true: always inline CSS (old behavior)
     * - 'auto': automatically detect if CSS should be inlined based on URL type
     * */
    private readonly inlineRemoteCss;
    private readonly domParser;
    constructor(app: App, isTopContext?: boolean, options?: {
        disableSprites: boolean;
        inlineRemoteCss: boolean | 'auto';
    });
    /**
     * Determine if a CSS link should be inlined based on configuration and URL type
     * @param href - The href attribute of the link element
     * @returns true if CSS should be inlined
     */
    private shouldInlineCSSLink;
    private clear;
    /**
     * EXPERIMENTAL: Unbinds the removed nodes in case of iframe src change.
     *
     * right now, we're relying on nodes.maintainer
     */
    private handleIframeSrcChange;
    private sendNodeAttribute;
    private sendNodeData;
    private bindNode;
    private bindTree;
    private unbindTree;
    private _commitNode;
    private commitNode;
    private commitNodes;
    protected observeRoot(node: Node, beforeCommit: (id?: number) => unknown, nodeToBind?: Node): void;
    disconnect(): void;
}