import type { EvidenceLocator, ResearchClaimSupport, ResearchSupportType, SourceConfidence, WebEvidenceRecord } from "./types.js";
/**
 * Addressable citation builder.
 *
 * Policy:
 * - Exact numeric/mechanical claims require a locator; a claim without
 *   coordinates on its source is rejected (`unverified`) unless it is an
 *   inference.
 * - snippet_only support is visibly labeled and never `high` confidence.
 * - A support object must expose evidenceId, sourceUrl, retrievedAt,
 *   contentSha256 and coordinates to satisfy the traceability contract.
 */
export interface BuildSupportOptions {
    supportType?: ResearchSupportType;
    effectiveAt?: string;
    confidence?: SourceConfidence;
    locatorOverride?: EvidenceLocator;
}
export declare function buildClaimSupport(claimId: string, record: Pick<WebEvidenceRecord, "evidenceId" | "canonicalUrl" | "title" | "retrievedAt" | "publishedAt" | "contentSha256" | "relevantPassages">, options?: BuildSupportOptions): ResearchClaimSupport;
/** Renders a support object as human-usable citation text. */
export declare function formatSupport(support: ResearchClaimSupport): string;
/** Rejects an exact claim whose support lacks coordinates. */
export declare function exactClaimLocatorError(support: ResearchClaimSupport): string | undefined;
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