import { ServerModel, ModelNode } from './types';

export declare const serializeModel: (nodes: ModelNode[], modelProps: Partial<{
    version: string;
    backgroundColor: string;
    backgroundImage: string;
    backgroundVariant: "dotted" | "grid" | "none";
}>) => ServerModel;
export declare function getDefaultName(prefix: string, _propertyKey: string, items: Record<string, any>): string;
export declare const isRelatedEntityAttr: (attribute: catalog.IAttribute) => boolean;
export declare const isRelatedEntitiesAttr: (attribute: catalog.IAttribute) => boolean;
export declare const isRelatedAttr: (attribute: catalog.IAttribute) => boolean;