zentol commented on a change in pull request #14510:
URL: https://github.com/apache/flink/pull/14510#discussion_r551249823
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/AbstractMetricGroup.java
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@@ -107,6 +108,8 @@
/** Flag indicating whether this group has been closed. */
private volatile boolean closed;
+ @VisibleForTesting public static final char DEFAULT_REPLACEMENT = '_';
Review comment:
```suggestion
@VisibleForTesting
public static final char DEFAULT_REPLACEMENT = '_';
```
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