/**
 * Decides whether a ground-truth snippet is present in retrieved text.
 *
 * Deliberately forgiving on whitespace and case, and deliberately NOT fuzzy on
 * wording: a snippet is chosen by the question's author to be distinctive, so a
 * near-miss is a miss. Chunk ids and positions cannot anchor this — ids are
 * regenerated on every ingest and positions shift whenever the chunker changes.
 */
export declare class EvidenceMatcher {
    private normalise;
    matches(params: {
        snippet: string;
        haystack: string;
    }): boolean;
    score(params: {
        snippets: string[];
        haystack: string;
    }): {
        found: number;
        missing: string[];
    };
}
//# sourceMappingURL=evidence.matcher.d.ts.map