When I was reading the code, I see `parent` is not used in `_getComments` function. so it make me confused why we delivery the `parent` in those functions. If I'm wrong, please correct me.
When I was reading the code, I see `parent` is not used in `_getComments` function. so it make me confused why we delivery the `parent` in those functions. If I'm wrong, please correct me.