docs: public final B profileResources(Iterable<String> paths) {
          final List<String> newPaths = ImmutableList.copyOf(requireNonNull(paths, "paths"));
          checkArgument(!newPaths.isEmpty(), "paths is empty.");
          checkState(selectedProfile == null, "profileResources cannot be set after profile() is called.");
          profileResourcePaths = newPaths;
          return self();
      }