/**
 * @copyright Sister Software
 * @license AGPL-3.0
 * @author Teffen Ellis, et al.
 * @file Every surface that appears as an input on a gauntlet board, so a recipe can refuse to train on one.
 *
 *   A recipe's own reserve list holds the strings its author knew about. The boards are a separate instrument with a
 *   separate history — `cz/bare-postcode.jsonl` was authored months before the recipe that trains on Czech postcodes —
 *   so neither register knows the other exists. A board row that reaches the corpus measures recall of one string
 *   instead of a capability.
 *
 *   read from disk rather than imported. `mailwoman` depends on `@mailwoman/corpus`, so this package cannot import the
 *   gauntlet loader without a cycle. A recipe is a build tool reading the repository it is built in.
 *   This is a file read rather than a dependency. The shipped package never calls this.
 */
import { type PathBuilderLike } from "path-ts";
/**
 * The committed board corpus, as a path rather than a module.
 */
export declare const GAUNTLET_CASES_DIR: PathBuilderLike;
/**
 * The comparison surface: case-folded, every run of whitespace removed.
 *
 * Whitespace-insensitive because a postcode's board spelling and its corpus spelling
 * differ by exactly that — `100 00` against `10000` — and a check that missed the
 * pair would report a clean build over a leaked row.
 */
export declare function normalizeGauntletSurface(surface: string): string;
/**
 * Every board row's `input`, normalized.
 *
 * Reads the whole corpus once.
 * Callers retain the output.
 *
 * A row that does not parse is skipped.
 * The gauntlet loader validates the corpus.
 *
 * A recipe that refused to build over a malformed board row would stop a build
 * for a check that is advisory to it.
 */
export declare function readGauntletInputs(dir?: PathBuilderLike): Promise<ReadonlySet<string>>;
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