/**
 * Filter conversion codecs.
 *
 * Converts MongoDB-style filters to Turbopuffer filter format.
 */
import type { Filter } from "@kernl-sdk/retrieval";
import type { Filter as TpufFilter } from "@turbopuffer/turbopuffer/resources/custom";
/**
 * Codec for converting Filter to Turbopuffer Filter.
 */
export declare const FILTER: {
    encode: (filter: Filter) => TpufFilter;
    decode: (_filter: TpufFilter) => Filter;
};
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