export interface TaxonomyEntry {
    id: string;
    label: string;
    aliases: string[];
    surface?: string[];
}
export declare var QUERY_STOP_WORDS: Set<string>;
export declare function isStopWord(word: string): boolean;
export declare var PATTERN_TAXONOMY: TaxonomyEntry[];
export declare function resolveTaxonomy(term: string): TaxonomyEntry[];
export declare function expandQuery(query: string): string[];