CoreMetric.HOST_NAME is not exist

[msm-takashi-nakamura]

Describe the bug

In a comment of CloudWatchMetricPublisher.Builder.dimensions method, it describes about CoreMetric.HOST_NAME.
However CoreMetric.HOST_NAME is not exist.

https://github.com/aws/aws-sdk-java-v2/blob/master/metric-publishers/cloudwatch-metric-publisher/src/main/java/software/amazon/awssdk/metrics/publishers/cloudwatch/CloudWatchMetricPublisher.java

Expected Behavior

CoreMetric.HOST_NAME will be Implemented
I would like to identify metrics by hostname of the server.

Your Environment

• AWS Java SDK version used: 2.14.15

[debora-ito]

@msm-takashi-nakamura thank you for reporting, marking as a bug.

[dmitraver]

Hi @debora-ito, I can pick this one.

[debora-ito]

@dmitraver great!