/**
 * @copyright Sister Software
 * @license AGPL-3.0
 * @author Teffen Ellis, et al.
 * @file Lists the cached OpenAddresses extracts read by the `unit` recipe.
 *   It also identifies the held-out extract excluded from training.
 *
 */
import type { PathBuilderLike } from "path-ts";
/**
 * A cached OpenAddresses extract.
 *
 * Its fields identify the ZIP, CSV member and implied file-level region.
 */
export interface UnitSource {
    zip: PathBuilderLike;
    csv: string;
    region: string;
}
/**
 * Every non-Vermont state cached; `region` is implied by the file.
 */
export declare const TRAIN_SOURCES: readonly UnitSource[];
/**
 * Vermont, the corpus holdout — `--golden` reads this and no other source.
 */
export declare const EVAL_SOURCE: UnitSource;
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