import type { Artifact } from "./types/artifact.js";
import type { Finding } from "./types/diagnostics.js";
/**
 * Detect high-signal hidden Unicode directly in one already-discovered artifact.
 *
 * This intentionally operates on original UTF-8 text before Markdown parsing,
 * visibility filtering, normalization, or command analysis.
 */
export declare function hiddenUnicodeFindings(artifact: Artifact): Finding[];
/** Shared eligibility predicate for raw hidden-Unicode analysis and coverage. */
export declare function hiddenUnicodeAnalysisApplies(artifact: Artifact): boolean;