/**
 * 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.
 */
import type { FlowSurfaceApplySpec, FlowSurfaceNodeSpec } from '../types';
export declare function normalizeChildren(input: any): FlowSurfaceNodeSpec[];
export declare function hasExplicitSubModelKey(node: Pick<FlowSurfaceNodeSpec, 'subModels'> | FlowSurfaceApplySpec, key: string): any;
export declare function matchesObjectChild(currentChild: any, desiredChild: FlowSurfaceNodeSpec): boolean;
export declare function planArrayChildMatches(currentChildren: FlowSurfaceNodeSpec[], desiredChildren: FlowSurfaceNodeSpec[], parentUse: string, subKey: string): {
    matchesByDesiredIndex: Map<number, FlowSurfaceNodeSpec>;
    matchedCurrentUids: Set<string>;
};