import type { DuckDBVectorFilter } from './types.js';
/** Result of building a SQL filter: a WHERE clause fragment and bound parameters. */
export interface FilterResult {
    clause: string;
    params: unknown[];
}
/**
 * Build a SQL WHERE clause from a filter object.
 * Supports MongoDB-style query operators.
 */
export declare function buildFilterClause(filter: DuckDBVectorFilter): FilterResult;
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