text: const CSS_CLASS = {
      UI: 'keditor-ui',
      UI_DRAGGING: 'keditor-ui-dragging',
      UI_HIDDEN: 'keditor-ui-hidden',
      UI_CUTTING: 'keditor-ui-cutting',
      UI_RESIZER: 'ui-resizable-resizer',
      
      SORTABLE: 'ui-sortable',
      RESIZABLE: 'ui-sortable',
      
      WRAPPER: 'keditor-wrapper',
      
      BTN: 'keditor-btn',
      BTN_GROUP: 'keditor-btn-group',
      BTN_PRIMARY: 'keditor-btn-primary',
      BTN_DEFAULT: 'keditor-btn-default',
      
      STATE_ACTIVE: 'active',
      STATE_OPENED: 'opened',
      STATE_SHOWED: 'showed',
      STATE_SELECTED: 'selected',
      STATE_DUPLICATED: 'duplicated',
      STATE_INITIALIZED: 'initialized',
      STATE_INITIALIZING: 'initializing',
      STATE_PREVIEWING: 'previewing',
      STATE_TOOLBAR_SHOWED: 'showed-keditor-toolbar',
      STATE_SIDEBAR_SHOWED: 'showed-keditor-sidebar',
      STATE_MODAL_OPENED: 'opened-modal',
      STATE_NOT_MATCHED: 'not-matched',
      STATE_HAS_FOOTER: 'has-footer',
      STATE_COPYING: 'copying',
      STATE_COPYING_COMPONENT: 'copying-component',
      STATE_COPYING_CONTAINER: 'copying-container',
      STATE_COPYING_SUB_CONTAINER: 'copying-sub-container',
      
      ADD_CONTENT: 'btn-add-content',
      PASTE_CONTENT: 'btn-paste-content',
      
      SIDEBAR: 'keditor-sidebar',
      SIDEBAR_HEADER: 'keditor-sidebar-header',
      SIDEBAR_BODY: 'keditor-sidebar-body',
      SIDEBAR_TITLE: 'keditor-sidebar-title',
      SIDEBAR_CLOSER: 'keditor-sidebar-closer',
      
      TOPBAR: 'keditor-topbar',
      TOPBAR_LEFT: 'keditor-topbar-left',
      TOPBAR_CENTER: 'keditor-topbar-center',
      TOPBAR_RIGHT: 'keditor-topbar-right',
      TOPBAR_BUTTON: 'keditor-topbar-btn',
      TOPBAR_TITLE: 'keditor-topbar-title',
      
      MODAL: 'keditor-modal',
      MODAL_COMPONENT: 'keditor-modal-component',
      MODAL_CONTAINER: 'keditor-modal-container',
      MODAL_HEADER: 'keditor-modal-header',
      MODAL_TITLE: 'keditor-modal-title',
      MODAL_BODY: 'keditor-modal-body',
      MODAL_FOOTER: 'keditor-modal-footer',
      MODAL_CLOSE: 'keditor-modal-close',
      MODAL_ADD: 'keditor-modal-add',
      
      SNIPPET: 'keditor-snippet',
      SNIPPET_INNER: 'keditor-snippet-inner',
      SNIPPET_TITLE: 'keditor-snippet-title',
      SNIPPET_PREVIEW: 'keditor-snippet-preview',
      SNIPPET_CONTAINER: 'keditor-snippet-container',
      SNIPPET_COMPONENT: 'keditor-snippet-component',
      SNIPPETS: 'keditor-snippets',
      SNIPPETS_FILTER: 'keditor-snippets-filter',
      SNIPPETS_FILTER_COMPONENT: 'keditor-snippets-filter-component',
      SNIPPETS_FILTER_CONTAINER: 'keditor-snippets-filter-container',
      SNIPPETS_FILTER_LABEL: 'keditor-snippets-filter-label',
      SNIPPETS_SEARCH: 'keditor-snippets-search',
      SNIPPETS_FILTER_WRAPPER: 'keditor-snippets-filter-wrapper',
      SNIPPETS_COMPONENT: 'keditor-snippets-component',
      SNIPPETS_WRAPPER: 'keditor-snippets-wrapper',
      
      TOOLBAR: 'keditor-toolbar',
      TOOLBAR_BOTTOM: 'keditor-toolbar-bottom',
      TOOLBAR_CONTENT_AREA: 'keditor-toolbar-content-area',
      TOOLBAR_CONTAINER: 'keditor-toolbar-container',
      TOOLBAR_CONTAINER_BOTTOM: 'keditor-toolbar-bottom-container',
      TOOLBAR_CONTAINER_CONTENT: 'keditor-toolbar-container-content',
      TOOLBAR_SUB_CONTAINER: 'keditor-toolbar-sub-container',
      TOOLBAR_SUB_CONTAINER_BOTTOM: 'keditor-toolbar-bottom-sub-container',
      TOOLBAR_SUB_CONTAINER_CONTENT: 'keditor-toolbar-sub-container-content',
      TOOLBAR_COMPONENT: 'keditor-toolbar-component',
      TOOLBAR_COMPONENT_BOTTOM: 'keditor-toolbar-bottom-component',
      
      SETTING: 'keditor-setting',
      SETTING_FORM: 'keditor-setting-form',
      SETTING_FORM_LOADING: 'keditor-setting-form-loading',
      
      CONTENT_AREA: 'keditor-content-area',
      CONTENT_AREA_INNER: 'keditor-content-area-inner',
      CONTENT_AREAS: 'keditor-content-areas',
      CONTENT_AREAS_WRAPPER: 'keditor-content-areas-wrapper',
      
      IFRAME: 'keditor-iframe',
      IFRAME_BODY: 'keditor-iframe-body',
      IFRAME_WRAPPER: 'keditor-iframe-wrapper',
      IFRAME_WIDTH_SWITCHER: 'keditor-iframe-width-switcher',
      IFRAME_COVER_WRAPPER: 'keditor-iframe-cover-wrapper',
      IFRAME_COVER_WRAPPER_FAKE: 'keditor-iframe-cover-wrapper-fake',
      IFRAME_COVER: 'keditor-iframe-cover',
      IFRAME_COVER_HIDDEN: 'hidden-cover',
      
      COMPONENT: 'keditor-component',
      COMPONENT_MOVE: 'btn-component-move',
      COMPONENT_MOVE_UP: 'btn-component-move-up',
      COMPONENT_MOVE_DOWN: 'btn-component-move-down',
      COMPONENT_SETTING: 'btn-component-setting',
      COMPONENT_DUPLICATE: 'btn-component-duplicate',
      COMPONENT_COPY: 'btn-component-copy',
      COMPONENT_CUT: 'btn-component-cut',
      COMPONENT_DELETE: 'btn-component-delete',
      COMPONENT_CONTENT: 'keditor-component-content',
      COMPONENT_EXISTING: 'existing-component',
      
      CONTAINER: 'keditor-container',
      CONTAINER_MOVE: 'btn-container-move',
      CONTAINER_MOVE_UP: 'btn-container-move-up',
      CONTAINER_MOVE_DOWN: 'btn-container-move-down',
      CONTAINER_DUPLICATE: 'btn-container-duplicate',
      CONTAINER_COPY: 'btn-container-copy',
      CONTAINER_CUT: 'btn-container-cut',
      CONTAINER_DELETE: 'btn-container-delete',
      CONTAINER_SETTING: 'btn-container-setting',
      CONTAINER_INNER: 'keditor-container-inner',
      CONTAINER_CONTENT: 'keditor-container-content',
      CONTAINER_CONTENT_INNER: 'keditor-container-content-inner',
      
      SUB_CONTAINER: 'keditor-sub-container',
      SUB_CONTAINER_CONTENT: 'keditor-sub-container-content',
      
      PREVIEW_AREA: 'keditor-preview-area',
  };
  
  export default CSS_CLASS;
  