The mapping is case insensitive and only matches if the method has a return value and no input parameters.
映射区分大小写，只有当方法拥有一个返回值而且没有输入参数时才能匹配。
2
By separating search criteria with a ", ", the search will return a union of all matches of the search terms.
通过使用“，”分隔每个搜索条件，搜索将返回与搜索词匹配的一组结果。
3
The two may differ because you can change how many matches are returned each time and which batch of matches to return, which is useful for paginating long lists of results.