private void ensureUsingDeviceTypesIsMutable() {
            if ((bitField0_ & 0x00000080) == 0) {
                usingDeviceTypes_ = makeMutableCopy(usingDeviceTypes_);
                bitField0_ |= 0x00000080;
            }
        }
<code>optional .im.turms.proto.UserStatus user_status = 7;</code>

@return This builder for chaining.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/group/GroupMember.java