if (StringUtil.isBlank(value)) {
            return null;
        }

        final String localeName = value.trim().toLowerCase(Locale.ENGLISH).replace("-", "_");

        for (final String supportedLang : supportedLanguages) {
            if (localeName.startsWith(supportedLang.toLowerCase(Locale.ENGLISH))) {
                return supportedLang;
            }
        }
        return null;

  # Make sure the context directory owned by the right user for syncing sources to container.
  chown -R "${USER_ID}":"${GROUP_ID}" "${LOCAL_OUTPUT_BUILD_CONTEXT}"

  cp /etc/localtime "${LOCAL_OUTPUT_BUILD_CONTEXT}/"
  chmod u+w "${LOCAL_OUTPUT_BUILD_CONTEXT}/localtime"

  cp "${KUBE_ROOT}/build/build-image/Dockerfile" "${LOCAL_OUTPUT_BUILD_CONTEXT}/Dockerfile"
  cp "${KUBE_ROOT}/build/build-image/rsyncd.sh" "${LOCAL_OUTPUT_BUILD_CONTEXT}/"

// initialized from the IANA Time Zone database-formatted data.
// The data should be in the format of a standard IANA time zone file
// (for example, the content of /etc/localtime on Unix systems).
func LoadLocationFromTZData(name string, data []byte) (*Location, error) {
	d := dataIO{data, false}

	// 4-byte magic "TZif"
	if magic := d.read(4); string(magic) != "TZif" {

    bool on_stack = !on_stack_nodes_.insert(child_ref.node_id()).second;
    if (on_stack) {
      // This is a backedge. Don't traverse it.
      continue;
    }

    path_segments_.push_back(child_ref.local_name());
    RecursivelyVisitObjectGraph(child_ref.node_id());
    path_segments_.pop_back();

    on_stack_nodes_.erase(child_ref.node_id());
  }
}