/**
 * Defines the contract for objects that can represent themselves as HTML strings.
 */
export interface HTMLObject {
    /**
     * @returns {string} HTML string representation of the object.
     */
    toHtml(): string;
}
/**
 * Type guard to check if an object implements the HTMLObject interface.
 * @param {any} obj The object to check.
 * @returns {boolean} True if the object implements HTMLObject, false otherwise.
 */
export declare function isAnHTMLObject(obj: any): obj is HTMLObject;