import { CatalogDescriptor, Contact, ProjectDescriptor, ProjectReference } from '../model';
export declare const COMMENT_START_TAG = "#COMMENT_START";
export declare const COMMENT_END_TAG = "#COMMENT_END";
export declare const EMPTY_ASSET_ID_COMMENT = "AssetId was not generated. Insert a value.";
export declare const EXCHANGE_JSON_FILE = "exchange.json";
type Optional<T, K extends keyof T> = Pick<Partial<T>, K> & Omit<T, K>;
export type ProjectScaffold = Optional<ProjectReference, 'assetId'>;
export type DescriptorScaffold = Omit<CatalogDescriptor, 'projects'> & {
    readonly projects: ReadonlyArray<ProjectScaffold>;
};
export type DescriptorScaffoldResult = {
    projectDescriptors?: ProjectDescriptor[];
};
export type PropertyDiff<T> = {
    previousValue?: T;
    newValue: T;
};
export type ProjectDiff = {
    main: string;
    version?: PropertyDiff<string>;
    apiVersion?: PropertyDiff<string>;
    contact?: PropertyDiff<Contact>;
};
export type UpdateDescriptorResult = {
    updatedDescriptor: CatalogDescriptor;
    updateDiff: ReadonlyArray<ProjectDiff>;
    addedProjects: string[];
};
export declare const dumpDescriptorScaffold: (scaffold: DescriptorScaffold) => DescriptorScaffoldResult;
export {};