import { EditorNode } from '../../../editormodel';
import { ModelAction } from '../../model';
import { ElmAction } from '../elements';
/**
 * Handle the command to delete elements in the model
 * @param elms the elements in the model
 * @param ids Array of IDs of elements to be deleted
 * @returns The updated elements in the model
 */
export declare function delCommonElms(elms: Record<string, EditorNode>, ids: string[]): Record<string, EditorNode>;
/**
 * Handle the command to add elements to the model
 * @param elms The elements in the model
 * @param items The new elements to be added
 * @returns The updated elements in the model
 */
export declare function addCommonElms(elms: Record<string, EditorNode>, items: EditorNode[]): Record<string, EditorNode>;
/**
 * Handle the command to edit an element
 * @param elms The elements in the model
 * @param id The ID of the element to be edited
 * @param item The updated content of the element
 * @returns The updated elements in the model
 */
export declare function editCommonElms(elms: Record<string, EditorNode>, id: string, item: EditorNode): Record<string, EditorNode>;
/**
 * Examine the action and generate cascade actions.
 * For edit action that the element ID is changed, a cascade action to replace all references of edges is issued
 * @param page Page ID
 * @param action The action about element
 * @returns The cascade action array for undo
 */
export declare function cascadeCheckElm(page: string, action: ElmAction): ModelAction[] | undefined;
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