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Copyright 2014-2020 Elasticsearch BV
Copyright 2020 RetailNext, Inc.

This product contains code from Elastic Beats,
Copyright 2014-2020 Elasticsearch BV,
used under the Apache License, Verison 2.0.

The header from the source files used follows:

Licensed to Elasticsearch B.V. under one or more contributor
license agreements. See the NOTICE file distributed with
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ownership. Elasticsearch B.V. licenses this file to you under
the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with the License.
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    http://www.apache.org/licenses/LICENSE-2.0

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