/**
 * Define possible operations to an entity
 */
export declare const enum EntityOperation {
    /**
     * Notify plugins that there is a new plugin was added into editor.
     * Plugin can handle this event to entity hydration.
     * This event will be only fired once for each entity DOM node.
     * After undo, or copy/paste, since new DOM nodes were added, this event will be fired
     * for those entities represented by newly added nodes.
     */
    NewEntity = 0,
    /**
     * Notify plugins that user is clicking target to an entity
     */
    Click = 1,
    /**
     * Notify plugins that user is triggering context menu to an entity
     */
    ContextMenu = 2,
    /**
     * Notify plugins that user is escaping from an entity by pressing ESC key
     */
    Escape = 3,
    /**
     * Notify plugins that user is removing an entity from its start position using DELETE key
     */
    RemoveFromStart = 4,
    /**
     * Notify plugins that user is remove an entity from its end position using BACKSPACE key
     */
    RemoveFromEnd = 5,
    /**
     * Notify plugins that an entity is being overwritten.
     * This can be caused by key in, cut, paste, delete, backspace ... on a selection
     * which contains some entities.
     */
    Overwrite = 6,
    /**
     * Notify plugins that an entity is being partially overwritten.
     * This happens when user selected part of the entity then do key press, or cut, paste, delete, backspace, ...
     */
    PartialOverwrite = 7,
    /**
     * Notify plugins that editor is generating HTML content for save.
     * Plugin should use this event to remove any temporary content, and only leave DOM nodes that
     * should be saved as HTML string.
     * This event will provide a cloned DOM tree for each entity, do NOT compare the DOM nodes with cached nodes
     * because it will always return false.
     */
    ReplaceTemporaryContent = 8,
    /**
     * @deprecated
     */
    AddShadowRoot = 9,
    /**
     * @deprecated
     */
    RemoveShadowRoot = 10,
    /**
     * Notify plugins that a new entity state need to be updated to an entity.
     * This is normally happened when user undo/redo the content with an entity snapshot added by a plugin that handles entity
     */
    UpdateEntityState = 11
}