* This method will send a file to the browser or requested HTTP protocol according to arguments.
* @file The absolute path to the file or a binary file to send
* @name The name to send to the browser via content disposition header. If not provided then the name of the file or a UUID for a binary file will be used
* @mimeType A valid mime type to use. If not passed, then we will try to use one according to file type
* @disposition The browser content disposition (attachment/inline) header
* @abortAtEnd If true, then this method will do a hard abort, we do not recommend this, prefer the event.noRender() for a graceful abort.
* @extension Only used for binary files which types are not determined.
* @deleteFile Delete the file after it has been streamed to the user. Only used if file is not binary.
disposition="attachment",
boolean abortAtEnd="false",