blockMembers method
Implementation
Future<MemberResult> blockMembers({
  required Set<String> members,
}) async {
  return await _updateBlockMembers(
    members: members.toList(),
    op: 'block',
  );
}
Future<MemberResult> blockMembers({
  required Set<String> members,
}) async {
  return await _updateBlockMembers(
    members: members.toList(),
    op: 'block',
  );
}