/**
 * 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 { FlowSurfaceDomainContract, FlowSurfaceNodeDomain } from './types';
export declare class FlowSurfaceContractGuard {
    mergeDomainValue(domain: FlowSurfaceNodeDomain, currentValue: any, nextValue: any, contract: FlowSurfaceDomainContract, use: string): any;
    validateFlowRegistry(node: any, flowRegistry: Record<string, any>): void;
    validateLayout(grid: any, layout: {
        rows: Record<string, string[][]>;
        sizes: Record<string, number[]>;
        rowOrder: string[];
    }): void;
    validateNodeTreeAgainstContract(node: any): void;
}