> +import static com.google.common.base.Preconditions.checkNotNull;
> +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 BaseListNodesImpl {
> +
> +   protected final ChefApi api;
> +
> +   protected Logger logger = Logger.NULL;
> +
> +   BaseListNodesImpl(ChefApi api) {
> +      this.api = checkNotNull(api, "api");
> +   }
> +
> +   protected Iterable<? extends Node> execute(Iterable<String> toGet) {

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