> + private List<Tag> configureTags(CloudSigma2TemplateOptions options) {
> + ImmutableList.Builder<Tag> builder = ImmutableList.builder();
> + for (String tagName : options.getTags()) {
> + String nameWithPrefix =
> groupNamingConvention.sharedNameForGroup(tagName);
> + builder.add(new Tag.Builder().name(nameWithPrefix).build());
> + }
> +
> + List<Tag> tags = builder.build();
> + List<Tag> result = Lists.newArrayList();
> +
> + if (!tags.isEmpty()) {
> + logger.debug(">> creating tags...");
> + result.addAll(api.createTags(tags));
> + }
> +
> + return result;
Use an immutable list builder here? Or does `result` _need_ to be mutable?
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