docs: public static  UUID getOrCreateUserToken() {
          UUID userToken;
          if (Request.getPerThreadRequestData().getRequestId() != null) {
              try {
                  userToken = UUID.fromString(Request.getPerThreadRequestData().getRequestId());
              } catch (final IllegalArgumentException ignored) {
                  userToken = UUIDs.randomUUID();
              }
          } else {
              userToken = UUIDs.randomUUID();
          }
          return userToken;
      }