code: public static synchronized MCAAuthorizationManager createInstance(Context context) {
          if (instance == null) {
              instance = new MCAAuthorizationManager(context.getApplicationContext());
  
              instance.bluemixRegionSuffix = BMSClient.getInstance().getBluemixRegionSuffix();
              instance.tenantId = BMSClient.getInstance().getBluemixAppGUID();
  
              AuthorizationRequest.setup();
          }
          return instance;
      }
docs: Init singleton instance with context
  @param context Application context
  @return The singleton instance