google-http-client-appengine/src/main/java/com/google/api/client/extensions/appengine/http/UrlFetchResponse.java
google-http-client/src/main/java/com/google/api/client/testing/http/MockLowLevelHttpResponse.java

google-http-client-appengine/src/main/java/com/google/api/client/extensions/appengine/http/UrlFetchResponse.java
google-http-client/src/main/java/com/google/api/client/http/javanet/NetHttpResponse.java

google-http-client-appengine/src/main/java/com/google/api/client/extensions/appengine/http/UrlFetchRequest.java
google-http-client/src/main/java/com/google/api/client/http/javanet/NetHttpRequest.java