Browse the implementors of #beVariable message and you will find other filters under BPatternVariableNode class, such as #beInstVar or #beLocalVar. If you miss something, just add a method. No new syntax required.
# -- Package installation --
，详情可参考safew官方版本下载
Израиль нанес удар по Ирану09:28，详情可参考搜狗输入法下载
附件：网络名人账号行为负面清单。WPS下载最新地址是该领域的重要参考