/**
 * A minimal mock of DocumentFragment for SSR environments.
 */
export declare class DocumentFragmentMock {
    childrenList: (HTMLElementMock | string)[];
    appendChild(node: any): any;
    serialize(): string;
    querySelector(selector: string): HTMLElementMock | null;
    querySelectorAll(selector: string): HTMLElementMock[];
}
/**
 * A robust mock of HTMLElement for SSR environments.
 */
export declare class HTMLElementMock {
    tagName: string;
    attributes: Map<string, string>;
    inlineStyles: Map<string, string>;
    childrenList: (HTMLElementMock | string | DocumentFragmentMock)[];
    shadowRoot: ShadowRootMock | null;
    textContent: string | null;
    content?: DocumentFragmentMock;
    private eventListeners;
    style: {
        setProperty: (k: string, v: string) => void;
        removeProperty: (k: string) => boolean;
    };
    classList: {
        add: (...names: string[]) => void;
        remove: (...names: string[]) => void;
        toggle: (name: string) => void;
        contains: (name: string) => boolean;
    };
    private _innerHTML;
    get innerHTML(): string;
    set innerHTML(value: string);
    constructor(tag?: string);
    get hidden(): boolean;
    set hidden(val: boolean);
    setAttribute(k: string, v: string): void;
    getAttribute(k: string): string | null;
    removeAttribute(k: string): void;
    hasAttribute(k: string): boolean;
    appendChild(node: any): any;
    attachShadow(options: ShadowRootInit): ShadowRoot;
    querySelector(selector: string): HTMLElementMock | null;
    querySelectorAll(selector: string): HTMLElementMock[];
    addEventListener(type: string, listener: EventListenerOrEventListenerObject): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject): void;
    dispatchEvent(event: Event): boolean;
    serialize(tagNameOverride?: string): string;
}
export declare class ShadowRootMock {
    host: HTMLElementMock;
    options: ShadowRootInit;
    childrenList: (HTMLElementMock | string | DocumentFragmentMock)[];
    adoptedStyleSheets: string[];
    constructor(host: HTMLElementMock, options: ShadowRootInit);
    appendChild(node: any): any;
    querySelector(selector: string): HTMLElementMock | null;
    querySelectorAll(selector: string): HTMLElementMock[];
    serialize(): string;
}