host:
                description: The name of a service from the service registry.
                type: string
              subsets:
                description: One or more named sets that represent individual versions
                  of a service.
                items:
                  properties:
                    labels:
                      additionalProperties:
                        type: string

  /**
   * The HTTP <a href="https://patcg-individual-drafts.github.io/topics/">{@code
   * Sec-Browsing-Topics}</a> header field name.
   *
   * @since 32.0.0
   */
  public static final String SEC_BROWSING_TOPICS = "Sec-Browsing-Topics";
  /**
   * The HTTP <a href="https://patcg-individual-drafts.github.io/topics/">{@code
   * Observe-Browsing-Topics}</a> header field name.
   *