private void ensureDeviceTypesIsMutable() {
        com.google.protobuf.Internal.IntList tmp = deviceTypes_;
        if (!tmp.isModifiable()) {
            deviceTypes_ = com.google.protobuf.GeneratedMessageLite.mutableCopy(tmp);
        }
    }
<pre>
Query filter
</pre>

<code>repeated .im.turms.proto.DeviceType device_types = 1;</code>

@param index The index of the value to return.
@return The enum numeric value on the wire of deviceTypes at the given index.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/user/UpdateUserOnlineStatusRequest.java