public BooleanResult isDeviceInTag(String theTag, String registrationID)
{
Preconditions.checkArgument(!String.IsNullOrEmpty(theTag), "theTag should be set");
Preconditions.checkArgument(!String.IsNullOrEmpty(registrationID), "registrationID should be set");
String url = HOST_NAME_SSL + TAGS_PATH + "/" + theTag + "/registration_ids/" + registrationID;
ResponseWrapper response = this.sendGet(url, Authorization(), null);
return BooleanResult.fromResponse(response);
}