Method
HttpBase
构造方法（1个参数） 只传Host 可以加入自定义拦截器 -超时判断 或者，默认没有使用拦截器。 @param host 访问域名host
(String host)
Source from the content-addressed store, hash-verified
source not stored for this graph (policy: none)
Callers
nothing calls this directly
Tested by
no test coverage detected