/**
 * @copyright Sister Software
 * @license AGPL-3.0
 * @author Teffen Ellis, et al.
 *
 *   Assemble a corpus OVERLAY MANIFEST — generalized from assemble-fr-admin-split-overlay-manifest.
 *   ADDS one shard parquet to a base corpus, keeping every base shard VERBATIM (pure overlay ADD),
 *   and re-roots base paths to /data (the Modal volume). Parameterized by --shard-parquet +
 *   --source so it works for any overlay shard (the fr-admin-split one is the original; #148's
 *   overture-multilocale is the second user).
 *
 *   Ported faithfully from scripts/assemble-overlay-manifest.py. The new shard's source_id column is
 *   read through DuckDB (`@duckdb/node-api`) instead of PyArrow; everything else is pure JSON.
 *
 *   Pipeline (the recipe rides the result): node scripts/build-overture-multilocale-canonical.mjs
 *   --cap 150000 --out /tmp/ovl/overture-ml.canonical.jsonl node scripts/align-canonical-shard.ts
 *   --input <canonical> --output <labeled> --corpus-version 0.5.0 mailwoman dev jsonl-to-parquet
 *   --input <labeled> --output <NEW>/train/<shard-parquet> node
 *   scripts/assemble-overlay-manifest.ts --base <BASE>/MANIFEST.json --new-dir <NEW>\
 *   --modal-root /data/corpus/versioned/<ver>/<dir> --version <ver>\
 *   --shard-parquet <shard-parquet> --source <source> --note "..."
 *
 *   # then push the overlay to R2 + sync + `modal run -d ... --config <recipe>.yaml --resume none`.
 */
export interface OverlayManifestOptions {
    base: string;
    newDir: string;
    modalRoot: string;
    version: string;
    shardParquet: string;
    source: string;
    note: string;
}
export declare function assembleOverlayManifest(args: OverlayManifestOptions): Promise<void>;
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