import type { SQL, Column } from '../db/types.js';
export declare function contains(column: Column | SQL, value: unknown): SQL<boolean>;
export declare function containedBy(column: Column | SQL, value: unknown): SQL<boolean>;
export declare function hasKey(column: Column | SQL, key: string): SQL<boolean>;
/** Extracts a text value from a JSONB column: `column->>'key'`. Composable with pipe.filter operators (eq, ilike, etc.). */
export declare function text(column: Column | SQL, key: string): SQL<string>;
/** Extracts a JSONB value from a JSONB column: `column->'key'`. Returns JSONB, not text — use with jsonb.contains() etc. */
export declare function json(column: Column | SQL, key: string): SQL;
/** Extracts a nested JSONB value: `column->'a'->'b'`. Returns JSONB. For text output, use `pathText`. */
export declare function path(column: Column | SQL, ...keys: string[]): SQL;
/** Extracts a nested text value: `column->'a'->>'b'`. Intermediate keys use `->`, final key uses `->>`. */
export declare function pathText(column: Column | SQL, ...keys: string[]): SQL<string>;
//# sourceMappingURL=query.d.ts.map