License of SinkConnector

[Constantin Comendant]

Hello,
The Repository's license states it is Apache License, however the header of the files that make up the TigerGraph Kafka sink connector (e.g. TigerGraphSinkTask.java) says:

/******************************************************************************

• Copyright (c) 2015-2017, TigerGraph Inc.
• All rights reserved
• Unauthorized copying of this file, via any medium is strictly prohibited
• Proprietary and confidential
  ******************************************************************************/

Could you clarify or adjust the header as appropriate?

Thanks!