ckeditor_ckeditor_css_alter(array &$css, Editor $editor) Implements

Callbacks and theming for the CKEditor toolbar configuration UI. File core/modules/ckeditor/ckeditor.admin

ckeditor_theme() Implements

ckeditor_library_info_alter(&$libraries, $extension) Implements

Provides integration with the CKEditor WYSIWYG editor. File core/modules/ckeditor/ckeditor.module

_ckeditor_theme_css($theme = NULL) Retrieves the default theme's CKEditor stylesheets. Themes

hook_ckeditor_css_alter(array &$css, Editor $editor) Modify the list of CSS files that will be added to

ckeditor_help($route_name, RouteMatchInterface $route_match) Implements

Default theme implementation for the CKEditor settings toolbar. Available variables: multiple_buttons:

template_preprocess_ckeditor_settings_toolbar(&$variables) Prepares variables for CKEditor settings toolbar