import type { CatalogNode } from './catalog-node.js';
/**
 * A source that provides CatalogNode instances.
 */
export interface CatalogSource {
    getCatalogNodes(): CatalogNode[];
}
/**
 * Registry of all available CatalogNodes, populated from CatalogSource providers.
 */
export declare class Catalog {
    private nodes;
    constructor(sources?: CatalogSource[]);
    getCatalogNode(key: string): CatalogNode;
    getAllCatalogNodes(): CatalogNode[];
}
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