import type { IngestCandidate } from "./ingest.js";
/**
 * Structured reasoning for `metadata.supportingReasoning` on pipeline-created improvements.
 * This is scoring + provenance pointers—not a raw transcript/diff dump; the task `issue` / `approach` carry the synthesized problem report.
 */
export declare function buildImprovementSupportingReasoning(c: IngestCandidate): string;
