import type { SQL, Column } from '../db/types.js';
export declare function cosineDistance(column: Column, query: number[]): SQL<number>;
export declare function cosineSimilarity(column: Column, query: number[]): SQL<number>;
export declare function l2Distance(column: Column, query: number[]): SQL<number>;
export declare function innerProduct(column: Column, query: number[]): SQL<number>;
export declare function toTsvector(text: Column | string | SQL, config?: string): SQL;
export declare function toTsquery(query: string, config?: string): SQL;
export declare function plainToTsquery(query: string, config?: string): SQL;
export declare function matches(column: Column | SQL, query: SQL): SQL<boolean>;
export interface HeadlineOptions {
    maxWords?: number;
    minWords?: number;
    shortWord?: number;
    highlightAll?: boolean;
    maxFragments?: number;
    fragmentDelimiter?: string;
    startSel?: string;
    stopSel?: string;
}
export declare function headline(column: Column | SQL, query: SQL, config?: string, options?: HeadlineOptions): SQL<string>;
export declare function tsRank(column: Column | SQL, query: string | SQL, config?: string): SQL<number>;
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