richtext::ckeditor4::add_editor		Add the necessary JavaScript and other files to the current page.
richtext::ckeditor4::ckfinder::file_attach		Insert the provided file to the content repository as a new item and attach it to the specified object_id via the attachment API.
richtext::ckeditor4::ckfinder::return_file		Return the file with the specified revision_id to the user.
richtext::ckeditor4::initialize_widget		Initialize an CKEditor 4 richtext editor widget.
richtext::ckeditor4::render_widgets		Render the ckeditor4 rich-text widgets.
richtext::ckeditor4::resource_info		Get information about available version(s) of CKEditor, either from the local filesystem, or from CDN.