richtext::ckeditor5::add_editor		Add the necessary JavaScript and other files to the current page.
richtext::ckeditor5::ckfinder::file_attach		Insert the provided image file to the content repository as a new item and attach the image to the specified object_id via the attachment API.
richtext::ckeditor5::ckfinder::return_file		Return the file with the specified revision_id to the user.
richtext::ckeditor5::download		Download the CKeditor package in the specified version and put it into a directory structure similar to the CDN structure to allow installation of multiple versions.
richtext::ckeditor5::get_tag		Return the tag for rendering
richtext::ckeditor5::initialize_widget		Initialize an CKEditor richtext editor widget.
richtext::ckeditor5::render_widgets		Render the ckeditor5 rich-text widgets.
richtext::ckeditor5::version_info		Get information about available version(s) of CKEditor, either from the local file system, or from CDN.