docs: def _MakeArgs(amazon_collection_map, google_collection_map):
    """Build metadata requests list from collection maps."""
    request_list = []
    for url, label in iteritems(amazon_collection_map):
      request_list.append(
          CloudMetadataRequest(
              bios_version_regex=AMAZON_BIOS_REGEX,
              service_name_regex=AMAZON_SERVICE_REGEX,
              instance_type="AMAZON",
              timeout=1.0,
              url=url,
              label=label))
    for url, label in iteritems(google_collection_map):
      request_list.append(
          CloudMetadataRequest(
              bios_version_regex=GOOGLE_BIOS_REGEX,
              service_name_regex=GOOGLE_SERVICE_REGEX,
              headers={"Metadata-Flavor": "Google"},
              instance_type="GOOGLE",
              timeout=1.0,
              url=url,
              label=label))
    return request_list