Lunny Xiao 67b316a954 Refactor comment (#9330) ... * Refactor comment * fix test * improve code		2019-12-15 16:57:34 -05:00
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notifier.go	Refactor comment (#9330)	2019-12-15 16:57:34 -05:00
null.go	Refactor comment (#9330)	2019-12-15 16:57:34 -05:00