/**
 * Utility function to copy text to clipboard
 * @param text Text to copy to clipboard
 * @returns Promise that resolves when the text is copied
 */
export declare function copyToClipboard(text: string, label: string): Promise<void>;
/**
 * Pastes text from clipboard if available
 * @returns Promise with the clipboard text or null if not supported/permitted
 */
export declare function pasteFromClipboard(): Promise<string | null>;