import type { Embedder, EvidenceInput, InfluenceScore, InfluenceWeights } from './types.js';
export interface ScoreContrastiveInfluenceArgs {
    /** Evidence items (context sources) with their reasoning ancestors. */
    readonly evidence: readonly EvidenceInput[];
    /** The ACTUAL (e.g. buggy) output the evidence is scored against. */
    readonly answerText: string;
    /** A REFERENCE output to contrast against — a known-good / expected / prior
     *  run. The shared-with-both similarity (topical innocents) cancels out. */
    readonly referenceText: string;
    /** Injected embedder. Wrap in an `EmbeddingCache` to share embeddings. */
    readonly embedder: Embedder;
    /** Composite weights. Default: paper priors 0.40/0.30/0.20/0.10. */
    readonly weights?: InfluenceWeights;
    /** PERSIST threshold T. Default 0.3. */
    readonly persistenceThreshold?: number;
    readonly signal?: AbortSignal;
}
/**
 * Score evidence by CONTRASTIVE influence: `sim(e, answer) − sim(e, reference)`
 * for the FA term, the four-signal composite otherwise. Returns `InfluenceScore[]`
 * sorted descending — drop-in compatible with `scoreInfluence` consumers
 * (`rankingConfidence`, etc.).
 *
 * @throws when an evidence id is duplicated (same contract as `scoreInfluence`).
 */
export declare function scoreContrastiveInfluence(args: ScoreContrastiveInfluenceArgs): Promise<InfluenceScore[]>;