/**
 * Copy plain text to the clipboard. Prefers the async Clipboard API; falls
 * back to a short-lived textarea for older embeds / denied permissions.
 */
export declare function copyTextToClipboard(text: string): Promise<boolean>;
/**
 * Copy text that is still being prepared, such as a command around a freshly
 * minted URL. Safari only allows a clipboard write during the click itself, so
 * hand the pending text to a `ClipboardItem` where supported; otherwise wait
 * for it and copy. Resolves false when the text failed or nothing was copied.
 */
export declare function copyPendingTextToClipboard(text: Promise<string>): Promise<boolean>;
/** Serialize an HTML table to tab-separated values (spreadsheet-friendly). */
export declare function tableElementToTsv(table: HTMLTableElement | null | undefined): string;