import { PzDomBackgroundColor } from './types';
/**
 * Utility class for common DOM operations.
 */
export declare class PzDomHandler {
    /**
     * Copies a string to the system clipboard.
     *
     * @param str - The string to copy.
     */
    static copyToClipboard(str: string): Promise<void>;
    /**
     * Recursively finds the nearest parent with an opaque background color.
     *
     * @param el - The starting HTMLElement.
     * @returns The background color string (e.g., "rgb(255, 255, 255)").
     */
    static getParentNearestBackground(el?: HTMLElement): PzDomBackgroundColor;
}
