> +import static com.google.common.collect.Iterables.concat;
> +import static com.google.common.collect.Iterables.transform;
> +import static com.google.common.util.concurrent.Futures.allAsList;
> +import static com.google.common.util.concurrent.Futures.getUnchecked;
> +
> +public abstract class BaseListCookbookVersionsImpl {
> +
> + protected final ChefApi api;
> +
> + protected Logger logger = Logger.NULL;
> +
> + BaseListCookbookVersionsImpl(ChefApi api) {
> + this.api = checkNotNull(api, "api");
> + }
> +
> + protected Iterable<? extends CookbookVersion> execute(Iterable<String>
> toGet) {
What does `toGet` mean? `versionsToGet`? `retrievedVersions`?
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