code: public FoxHttpRequestBuilder registerFoxHttpInterceptor(FoxHttpInterceptorType interceptorType, FoxHttpInterceptor foxHttpInterceptor) throws FoxHttpException {
          foxHttpRequest.getFoxHttpClient().register(interceptorType, foxHttpInterceptor);
          return this;
      }
docs: Register an interceptor
  
  @param interceptorType    Type of the interceptor
  @param foxHttpInterceptor Interceptor instance
  @return FoxHttpClientBuilder (this)
  @throws FoxHttpException Throws an exception if the interceptor does not match the type