toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (createTime != null) 'createTime': createTime!,
if (deleteTime != null) 'deleteTime': deleteTime!,
if (groupMember != null) 'groupMember': groupMember!,
if (member != null) 'member': member!,
if (name != null) 'name': name!,
if (role != null) 'role': role!,
if (state != null) 'state': state!,
};