protected ManifestReader<DataFile> newManifestReader(ManifestFile manifest) {
    return ManifestFiles.read(manifest, ops.io(), ops.current().specsById());
  }
@deprecated will be removed in 1.7.0; Use {@link SnapshotProducer#newManifestOutputFile}
    instead
iceberg/patched-iceberg-core/src/main/java/org/apache/iceberg/SnapshotProducer.java