/**
 * The audit-floor ledger (relocated from `scripts/lib/audit-floor.ts` when the
 * gate became the `audit-floor` command). PURE — no Node, no `@czap/audit` — so
 * it lives in the pure registry entry. The HEAVY half (`collectWarningInventory`,
 * which runs the `@czap/audit` three-pass engine) stays on the CLI adapter where
 * `runAuditFloor` is provisioned; only the floor data + the diff are pure and
 * belong here.
 *
 * `AUDIT_WARNING_FLOOR` is the sorted multiset of `rule@file` keys for pinned
 * advisory warnings; `diffInventories` reports drift against it. A new warning is
 * a regression against the floor (zero since the 0.1.5 advisory-cleanup wave).
 *
 * @module
 */
/**
 * Sorted multiset of `rule@file` keys for pinned advisory warnings.
 *
 * Empty since the 0.1.5 advisory-cleanup wave (ROADMAP epic #2): the doctor
 * fallback paths were reworked to surface read/parse failures as structured
 * check details, ship.ts's emit-then-return-1 exit-code contract is cleared
 * by the detector's error-binding rule, and the two deliberate fail-closed
 * defaults (html-trust CSP fallback, doctor --fix workspace guard) carry
 * allowlist reasons and classify as suppressed. Any new warning is a
 * regression against a zero floor.
 */
export declare const AUDIT_WARNING_FLOOR: readonly string[];
/** Diff two sorted multisets — `added` are in `actual` only, `removed` in `expected` only. */
export declare function diffInventories(expected: readonly string[], actual: readonly string[]): {
    added: string[];
    removed: string[];
};
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