import { Client } from '../client/Client';
import type { LangFilter } from '../interfaces/common';
import { TaxonomyTerm } from '../entities/TaxonomyTerm';
/**
 * Taxonomy API for querying specific taxonomies
 *
 * This class provides type-safe methods for listing all terms within a specific taxonomy,
 * either as a flat list or as a hierarchical tree structure.
 */
export declare class Taxonomy {
    private client;
    constructor(client: Client);
    /**
     * List terms within a specific taxonomy
     *
     * @param taxonomyName The name of the taxonomy to query
     * @param filter Optional filtering options:
     *              - lang: 'en' | 'sv' | 'de' - Language filter (enum)
     * @param fields Optional GraphQL fields to return
     * @param hierarchical Whether to return terms in a tree structure
     * @returns Array of taxonomy terms, optionally in a hierarchical structure
     */
    list(taxonomyName: string, filter?: LangFilter, fields?: string, hierarchical?: boolean): Promise<TaxonomyTerm[]>;
    /**
     * Build a hierarchical structure from flat taxonomy terms
     *
     * @param terms Array of taxonomy terms
     * @returns Array of root taxonomy terms with populated children
     */
    private buildHierarchy;
}