- Very light suggestion - "You don't have to change this. I'm just mentioning it." • [2/4] - Light suggestion - "Please consider changing this, especially if someone else feels similarly." • [3/4] - Suggestion - "Please change this, or provide some additional reasoning behind the decision not to. However, if you feel strongly about it and we can't come to an agreement, I'm still okay with it being merged as is." • [4/4] - Serious suggestion - "Please change this. I feel very very strongly about it. I will not approve this PR until we have come to a compromise."