import type { FactSet } from "../features/detect/detect.use-case.js";
/**
 * The failure classes `build --check` distinguishes, in the precedence
 * project-map:BEH-006 declares. A fingerprint difference accounts for every
 * byte difference downstream of it, so it outranks drift rather than hiding
 * inside it.
 */
export type CheckOutcome = {
    readonly code: 0;
} | {
    readonly code: 1;
    readonly reason: string;
} | {
    readonly code: 3;
    readonly reason: string;
} | {
    readonly code: 4;
    readonly reason: string;
};
export type ArtifactCheck = {
    readonly committed: string | null;
    readonly built: string;
    readonly analyzerBuildDigest: string;
    readonly registryDigest: string;
    readonly factSet: FactSet;
};
export declare function checkFactsArtifact(check: ArtifactCheck): CheckOutcome;