code: private TokenIssueResponse callTokenIssue(
              String ticket, String subject, Property[] properties)
      {
          // Create a request for Authlete's /api/auth/token/issue API.
          TokenIssueRequest request = new TokenIssueRequest()
              .setTicket(ticket)
              .setSubject(subject)
              .setProperties(properties)
              ;
  
          try
          {
              // Call Authlete's /api/auth/token/issue API.
              return mApi.tokenIssue(request);
          }
          catch (AuthleteApiException e)
          {
              // The API call failed.
              throw apiFailure("/api/auth/token/issue", e);
          }
      }
docs: Call Authlete's {@code /api/auth/token/issue} API.