/**
 * @copyright Sister Software
 * @license AGPL-3.0
 * @author Teffen Ellis, et al.
 *
 *   Secondary-unit regex repair pass — parser-improvement backlog (2026-05-30).
 *
 *   The three-arena capability eval surfaced a persistent neural weakness: the model DROPS secondary
 *   units. "123 Main St Apt 456" → no unit label; the postal-standards secondary-unit edge class
 *   scored 0% neural. Units have a rigid surface shape (a designator keyword + an identifier), so —
 *   exactly like the postcode-repair pass (#35) — we can detect them deterministically and repair
 *   the BIO labels AFTER decode but BEFORE `buildAddressTree`. The model is untouched; this is a
 *   decoder-side correction, the same "lowest risk" lever family as postcode-repair.
 *
 *   PRECISION GUARDS (mirror postcode-repair — never regress a confident parse):
 *
 *   - We only fire on EXPLICIT designators (Apt, Ste, Suite, Unit, Rm, Floor, Bldg, Flat, … + bare
 *       "#<n>"). Ambiguous tokens are deliberately excluded: "Box" (that's po_box), bare "F"/"No"
 *       (too greedy), "Space"/"Stop" (common words).
 *   - ADD path (model emitted no unit over the matched run): allowed ONLY over `O` tokens — never over
 *       house_number / street* / postcode / po_box / a geographic container. So a
 *       confidently-labeled street or number is safe.
 *   - SNAP path: when the model already started a unit span inside the match, we expand/clip it to the
 *       full detected shape.
 *   - Local smear-clip: unit tokens immediately flanking a snapped run are cleared (mirrors
 *       postcode-repair) so "Apt 4 Springfield" can't leave a stray I-unit on "Springfield".
 *
 *   Opt-in via `ParseOpts.unitRepair` (postcode-repair earned default-on only after a measured
 *   +135/0; unit-repair stays opt-in until the v0.7.2 arena re-run quantifies its delta).
 */
import type { DecoderToken } from "@mailwoman/core/decoder";
import { type RepairResult } from "./span-repair.ts";
export type { RepairResult } from "./span-repair.ts";
/**
 * Repair secondary-unit label spans in a decoded token sequence using designator regexes. Returns a NEW token array
 * (inputs are not mutated) plus a change count.
 */
export declare function repairUnitLabels(text: string, input: readonly DecoderToken[]): RepairResult;
//# sourceMappingURL=unit-repair.d.ts.map