Start or stop recording what the browser asks for, watched from outside the page.
Remove request Referer header.
Issue an API request from inside the page, carrying the session the browser already earned.
Everything recorded so far, oldest first.
Get browser user agent.
Left-click a link/element and save the resulting download.
Set request Referrer header.
Set download filename and path.
Override the browser's user agent string.
Set the Referer header to Google.
Attach one file or several to a file input by clicking it and handing the browser the file.