/**
 * This file is part of the NocoBase (R) project.
 * Copyright (c) 2020-2024 NocoBase Co., Ltd.
 * Authors: NocoBase Team.
 *
 * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
 * For more information, please refer to: https://www.nocobase.com/agreement.
 */
/**
 * The "+" add-node anchor between nodes (doc §9.6). Normally opens the add-node
 * drawer. When a node has been copied to the clipboard, it instead becomes a
 * paste zone (mirrors v1's `AddNodeSlot` → `AddNodePasteZone` switch): clicking
 * pastes the copied node here. Disabled while the workflow is executed.
 */
import React from 'react';
export declare function AddNodeSlot({ upstream, branchIndex, 'aria-label': ariaLabel, }: {
    upstream?: any;
    branchIndex?: number | null;
    'aria-label'?: string;
}): React.JSX.Element;
