import type { Tree } from '../../generators/tree';
import type { CatalogDefinitions } from './types';
export declare function readCatalogConfigFromFs(filename: string, fullPath: string): CatalogDefinitions | null;
export declare function readCatalogConfigFromTree(filename: string, tree: Tree): CatalogDefinitions | null;
export declare function updateCatalogVersionsInFile(filename: string, treeOrRoot: Tree | string, updates: Array<{
    packageName: string;
    version: string;
    catalogName?: string;
}>): void;