onMemberRemove property Null safety

Stream<List<NIMSuperTeamMember>> onMemberRemove
read / write

Listen to the removal of group members. Once the event occurs, a notification will be sent to group members about the removal. observer: The Observer interface, whose parameters is the list of group members that are removed from the group.

Implementation

Stream<List<NIMSuperTeamMember>> onMemberRemove =
    SuperTeamServicePlatform.instance.onMemberRemove.stream;